diff --git a/.shellspec b/.shellspec
index dd850ae..4a21452 100644
--- a/.shellspec
+++ b/.shellspec
@@ -1,5 +1,5 @@
 # kcov (coverage) options
---kcov-options "--include-pattern=build-poetry,get-build-number,pr_cleanup,promote,build-gradle,config-maven,build-maven,config-npm,build-npm,build-yarn,shared"
+--kcov-options "--include-pattern=build-poetry,get-build-number,pr_cleanup,promote,build-gradle,config-maven,build-maven,config-npm,build-npm,build-yarn,shared,config-gradle"
 # --kcov-options "--exclude-pattern=.github,.idea,.git"
 
 # define minimum coverage (fail otherwise)
diff --git a/build-gradle/action.yml b/build-gradle/action.yml
index 1a19986..e1e7951 100644
--- a/build-gradle/action.yml
+++ b/build-gradle/action.yml
@@ -73,7 +73,7 @@ inputs:
 outputs:
   project-version:
     description: The release version set as Gradle project version in gradle.properties
-    value: ${{ steps.build.outputs.project-version }}
+    value: ${{ steps.config-gradle.outputs.project-version }}
   BUILD_NUMBER:
     description: The build number, incremented or reused if already cached
     value: ${{ steps.config-gradle.outputs.BUILD_NUMBER }}
diff --git a/build-gradle/build.sh b/build-gradle/build.sh
index 67842bf..594ddeb 100755
--- a/build-gradle/build.sh
+++ b/build-gradle/build.sh
@@ -12,6 +12,7 @@
 # - SQC_EU_URL: URL of SonarQube server for sqc-eu platform
 # - SQC_EU_TOKEN: Access token to send analysis reports to SonarQube for sqc-eu platform
 # - RUN_SHADOW_SCANS: If true, run sonar scanner on all 3 platforms. If false, run on the platform provided by SONAR_PLATFORM.
+# - CURRENT_VERSION: Current project version as in gradle.properties
 # - ARTIFACTORY_ACCESS_TOKEN: Access token to read Repox repositories
 # - ARTIFACTORY_DEPLOY_REPO: Name of deployment repository
 # - ARTIFACTORY_DEPLOY_USERNAME: Username to deploy to Artifactory
@@ -52,6 +53,7 @@ source "$(dirname "${BASH_SOURCE[0]}")/../shared/common-functions.sh"
 : "${GITHUB_OUTPUT:?}"
 : "${PULL_REQUEST?}" "${DEFAULT_BRANCH:?}"
 : "${RUN_SHADOW_SCANS:?}"
+: "${CURRENT_VERSION:?}"
 if [[ "${SONAR_PLATFORM:?}" != "none" ]]; then
   : "${NEXT_URL:?}" "${NEXT_TOKEN:?}" "${SQC_US_URL:?}" "${SQC_US_TOKEN:?}" "${SQC_EU_URL:?}" "${SQC_EU_TOKEN:?}"
 fi
@@ -82,26 +84,6 @@ set_build_env() {
   git_fetch_unshallow
 }
 
-set_project_version() {
-  current_version=$($GRADLE_CMD properties --no-scan --no-daemon --console plain | grep 'version:' | tr -d "[:space:]" | cut -d ":" -f 2)
-  if [[ -z "$current_version" || "$current_version" == "unspecified" ]]; then
-    echo "ERROR: Could not get valid version from Gradle properties. Got: '$current_version'" >&2
-    exit 1
-  fi
-  export CURRENT_VERSION=$current_version
-  release_version="${current_version/-SNAPSHOT/}"
-  if [[ "${release_version}" =~ ^[0-9]+\.[0-9]+$ ]]; then
-    release_version="${release_version}.0"
-  fi
-  release_version="${release_version}.${BUILD_NUMBER}"
-  echo "Replacing version $current_version with $release_version"
-  sed -i.bak "s/$current_version/$release_version/g" gradle.properties
-  echo "project-version=$release_version" >> "$GITHUB_OUTPUT"
-  echo "PROJECT_VERSION=$release_version" >> "$GITHUB_ENV"
-  echo "PROJECT_VERSION=$release_version"
-  export PROJECT_VERSION=$release_version
-}
-
 should_deploy() {
   # Disable deployment when explicitly requested
   if [[ "${DEPLOY}" != "true" ]]; then
@@ -300,7 +282,6 @@ main() {
   check_tool java -version
   set_gradle_cmd
   set_build_env
-  set_project_version
   gradle_build
 }
 
diff --git a/build-maven/build.sh b/build-maven/build.sh
index dbf12e2..64ca553 100755
--- a/build-maven/build.sh
+++ b/build-maven/build.sh
@@ -17,6 +17,7 @@
 # - ARTIFACTORY_DEPLOY_REPO: Deployment repository name
 # - ARTIFACTORY_DEPLOY_USERNAME: Username used by artifactory-maven-plugin
 # - ARTIFACTORY_DEPLOY_PASSWORD: Access token to deploy to the repository
+# - CURRENT_VERSION: Current project version as in pom.xml
 # - DEFAULT_BRANCH: Default branch name (e.g. main)
 # - PULL_REQUEST: Pull request number (e.g. 1234) or empty string
 #
diff --git a/config-gradle/action.yml b/config-gradle/action.yml
index b090314..28aec1a 100644
--- a/config-gradle/action.yml
+++ b/config-gradle/action.yml
@@ -33,7 +33,13 @@ inputs:
 outputs:
   BUILD_NUMBER:
     description: The build number, incremented or reused if already cached
-    value: ${{ steps.get_build_number.outputs.BUILD_NUMBER }}
+    value: ${{ steps.get-build-number.outputs.BUILD_NUMBER }}
+  current-version:
+    description: The project version set in the gradle.properties (before replacement). Also set as environment variable CURRENT_VERSION
+    value: ${{ steps.set-version.outputs.current-version }}
+  project-version:
+    description: The project version with build number (after replacement). Also set as environment variable PROJECT_VERSION
+    value: ${{ steps.set-version.outputs.project-version }}
 
 runs:
   using: composite
@@ -63,12 +69,20 @@ runs:
         echo "::endgroup::"
 
     - name: Get build number
-      id: get_build_number
+      id: get-build-number
       uses: ./.actions/get-build-number
       with:
         host-actions-root: ${{ steps.set-path.outputs.host_actions_root }}
 
+    - id: config-gradle-completed
+      if: env.CONFIG_GRADLE_COMPLETED != ''
+      shell: bash
+      run: |
+        echo "Action already called by $CONFIG_GRADLE_COMPLETED, execution skipped."
+        echo "skip=true" >> $GITHUB_OUTPUT
+
     - name: Set parameter for Vault
+      if: steps.config-gradle-completed.outputs.skip != 'true'
       shell: bash
       env:
         ARTIFACTORY_READER_ROLE: ${{ inputs.artifactory-reader-role != '' && inputs.artifactory-reader-role ||
@@ -78,6 +92,7 @@ runs:
 
     - name: Get secrets from Vault
       id: secrets
+      if: steps.config-gradle-completed.outputs.skip != 'true'
       uses: SonarSource/vault-action-wrapper@320bd31b03e5dacaac6be51bbbb15adf7caccc32 # 3.1.0
       with:
         secrets: |
@@ -86,6 +101,7 @@ runs:
           ${{ inputs.use-develocity == 'true' && 'development/kv/data/develocity token | DEVELOCITY_TOKEN;' || '' }}
 
     - name: Set environment variables for Artifactory authentication
+      if: steps.config-gradle-completed.outputs.skip != 'true'
       shell: bash
       env:
         ARTIFACTORY_URL:
@@ -117,6 +133,7 @@ runs:
 
     # Configure Gradle for comprehensive caching and build summary reporting. It does not install Gradle.
     - name: Configure Gradle
+      if: steps.config-gradle-completed.outputs.skip != 'true'
       uses: gradle/actions/setup-gradle@748248ddd2a24f49513d8f472f81c3a07d4d50e1 # v4.4.4
       with:
         develocity-injection-enabled: ${{ inputs.use-develocity == 'true' }}
@@ -124,7 +141,7 @@ runs:
         develocity-plugin-version: '4.0'
 
     - name: Generate Gradle Cache Key
-      if: ${{ inputs.disable-caching != 'true' }}
+      if: steps.config-gradle-completed.outputs.skip != 'true' && inputs.disable-caching != 'true'
       shell: bash
       run: |
         # Generate cache key from all Gradle files
@@ -139,7 +156,7 @@ runs:
         rm -f gradle-md5-sums.txt
 
     - name: Restore Gradle Cache
-      if: ${{ inputs.disable-caching != 'true' }}
+      if: steps.config-gradle-completed.outputs.skip != 'true' && inputs.disable-caching != 'true'
       uses: SonarSource/gh-action_cache@v1
       id: gradle-cache-restore
       with:
@@ -150,22 +167,34 @@ runs:
 
     # $GRADLE_USER_HOME is typically set to ~/.gradle/ by gradle/actions/setup-gradle
     - name: Configure Gradle Authentication
+      if: steps.config-gradle-completed.outputs.skip != 'true'
       shell: bash
       run: |
         GRADLE_INIT_DIR="$GRADLE_USER_HOME/init.d"
         mkdir -p "$GRADLE_INIT_DIR"
         cp "${GITHUB_ACTION_PATH}/resources/repoxAuth.init.gradle.kts" "$GRADLE_INIT_DIR/"
 
+    - name: Update project version and set current-version and project-version variables
+      id: set-version
+      if: steps.config-gradle-completed.outputs.skip != 'true'
+      shell: bash
+      run: ${GITHUB_ACTION_PATH}/set_gradle_project_version.sh
+
     - name: Extract Develocity hostname
       id: develocity-hostname
-      if: ${{ inputs.use-develocity == 'true' }}
+      if: steps.config-gradle-completed.outputs.skip != 'true' && inputs.use-develocity == 'true'
       shell: bash
       run: echo "hostname=$(echo '${{ inputs.develocity-url }}' | sed 's|https://||' | sed 's|/$||')" >> $GITHUB_OUTPUT
 
     - name: Deactivate UseContainerSupport on github-ubuntu-* runners
-      if: runner.os == 'Linux' && runner.environment == 'github-hosted'
+      if: steps.config-gradle-completed.outputs.skip != 'true' && runner.os == 'Linux' && runner.environment == 'github-hosted'
       shell: bash
       run: |
         echo "::warning title=Deactivating UseContainerSupport::The GitHub-hosted Ubuntu runners have an issue with Java's" \
           "UseContainerSupport feature."
         echo "JAVA_TOOL_OPTIONS=${JAVA_TOOL_OPTIONS:=-XX:-UseContainerSupport}" >> "$GITHUB_ENV"
+
+    - name: Set Config Gradle completed
+      if: steps.config-gradle-completed.outputs.skip != 'true'
+      shell: bash
+      run: echo "CONFIG_GRADLE_COMPLETED=$GITHUB_ACTION" >> "$GITHUB_ENV"
diff --git a/config-gradle/set_gradle_project_version.sh b/config-gradle/set_gradle_project_version.sh
new file mode 100755
index 0000000..14f3b53
--- /dev/null
+++ b/config-gradle/set_gradle_project_version.sh
@@ -0,0 +1,69 @@
+#!/bin/bash
+# Config script for SonarSource Maven projects.
+#
+# Required environment variables (must be explicitly provided):
+# - BUILD_NUMBER: Build number for versioning
+#
+# GitHub Actions auto-provided:
+# - GITHUB_OUTPUT: Path to GitHub Actions output file
+# - GITHUB_ENV: Path to GitHub Actions environment file
+#
+# Optional user customization:
+# - CURRENT_VERSION and PROJECT_VERSION: If both are set, they will be used as-is and no version update will be performed.
+
+set -euo pipefail
+
+: "${BUILD_NUMBER:?}"
+: "${GITHUB_OUTPUT:?}" "${GITHUB_ENV:?}"
+
+# shellcheck source=SCRIPTDIR/../shared/common-functions.sh
+source "$(dirname "${BASH_SOURCE[0]}")/../shared/common-functions.sh"
+
+set_gradle_cmd() {
+  if [[ -f "./gradlew" ]]; then
+    export GRADLE_CMD="./gradlew"
+  elif check_tool gradle; then
+    export GRADLE_CMD="gradle"
+  else
+    echo "Neither ./gradlew nor gradle command found!" >&2
+    exit 1
+  fi
+}
+
+set_project_version() {
+  local current_version
+  current_version=$($GRADLE_CMD properties --no-scan --no-daemon --console plain | grep 'version:' | tr -d "[:space:]" | cut -d ":" -f 2)
+  if [[ -z "$current_version" || "$current_version" == "unspecified" ]]; then
+    echo "ERROR: Could not get valid version from Gradle properties. Got: '$current_version'" >&2
+    return 1
+  fi
+
+  # Saving the snapshot version to the output and environment variables
+  # This is used by the sonar-scanner to set the value of sonar.projectVersion without the build number
+  echo "CURRENT_VERSION=$current_version"
+  echo "CURRENT_VERSION=$current_version" >> "$GITHUB_ENV"
+  export CURRENT_VERSION=$current_version
+
+  release_version="${current_version/-SNAPSHOT/}"
+  if [[ "${release_version}" =~ ^[0-9]+\.[0-9]+$ ]]; then
+    release_version="${release_version}.0"
+  fi
+  release_version="${release_version}.${BUILD_NUMBER}"
+  echo "Replacing version $current_version with $release_version"
+  sed -i.bak "s/$current_version/$release_version/g" gradle.properties
+  echo "project-version=$release_version" >> "$GITHUB_OUTPUT"
+  echo "PROJECT_VERSION=$release_version" >> "$GITHUB_ENV"
+  echo "PROJECT_VERSION=$release_version"
+  export PROJECT_VERSION=$release_version
+}
+
+if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
+  if [[ -n "${CURRENT_VERSION:-}" && -n "${PROJECT_VERSION:-}" ]]; then
+    echo "Using provided CURRENT_VERSION $CURRENT_VERSION and PROJECT_VERSION $PROJECT_VERSION without changes."
+    echo "current-version=$CURRENT_VERSION" >> "$GITHUB_OUTPUT"
+    echo "project-version=$PROJECT_VERSION" >> "$GITHUB_OUTPUT"
+  else
+    set_gradle_cmd
+    set_project_version
+  fi
+fi
diff --git a/config-maven/action.yml b/config-maven/action.yml
index daed605..c4a3548 100644
--- a/config-maven/action.yml
+++ b/config-maven/action.yml
@@ -37,13 +37,13 @@ inputs:
 outputs:
   BUILD_NUMBER:
     description: The current build number. Also set as environment variable BUILD_NUMBER
-    value: ${{ steps.get_build_number.outputs.BUILD_NUMBER }}
+    value: ${{ steps.get-build-number.outputs.BUILD_NUMBER }}
   current-version:
     description: The project version set in the pom.xml (before replacement). Also set as environment variable CURRENT_VERSION
-    value: ${{ steps.config.outputs.current-version }}
+    value: ${{ steps.set-version.outputs.current-version }}
   project-version:
     description: The project version with build number (after replacement). Also set as environment variable PROJECT_VERSION
-    value: ${{ steps.config.outputs.project-version }}
+    value: ${{ steps.set-version.outputs.project-version }}
 
 runs:
   using: composite
@@ -74,7 +74,7 @@ runs:
         echo "::endgroup::"
 
     - uses: ./.actions/get-build-number
-      id: get_build_number
+      id: get-build-number
       with:
         host-actions-root: ${{ steps.set-path.outputs.host_actions_root }}
 
@@ -173,7 +173,7 @@ runs:
         restore-keys: maven-${{ runner.os }}-${{ github.workflow }}-
 
     - name: Update project version and set current-version and project-version variables
-      id: config
+      id: set-version
       if: steps.from-env.outputs.skip != 'true'
       shell: bash
       working-directory: ${{ inputs.working-directory }}
diff --git a/config-maven/set_maven_project_version.sh b/config-maven/set_maven_project_version.sh
index 040e34a..53bf7ec 100755
--- a/config-maven/set_maven_project_version.sh
+++ b/config-maven/set_maven_project_version.sh
@@ -34,13 +34,6 @@ get_current_version() {
 # Update current_version variable with the current project version.
 # Then remove the -SNAPSHOT suffix if present, complete with '.0' if needed, and append the build number at the end.
 set_project_version() {
-  if [[ -n "${CURRENT_VERSION:-}" && -n "${PROJECT_VERSION:-}" ]]; then
-    echo "Using provided CURRENT_VERSION $CURRENT_VERSION and PROJECT_VERSION $PROJECT_VERSION without changes."
-    echo "current-version=$CURRENT_VERSION" >> "$GITHUB_OUTPUT"
-    echo "project-version=$PROJECT_VERSION" >> "$GITHUB_OUTPUT"
-    return 0
-  fi
-
   local current_version
   if ! current_version=$(get_current_version 2>&1); then
     echo -e "::error file=pom.xml,title=Maven project version::Could not get 'project.version' from Maven project\nERROR: $current_version"
@@ -79,6 +72,12 @@ set_project_version() {
 }
 
 if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
-  check_tool mvn --version
-  set_project_version
+  if [[ -n "${CURRENT_VERSION:-}" && -n "${PROJECT_VERSION:-}" ]]; then
+    echo "Using provided CURRENT_VERSION $CURRENT_VERSION and PROJECT_VERSION $PROJECT_VERSION without changes."
+    echo "current-version=$CURRENT_VERSION" >> "$GITHUB_OUTPUT"
+    echo "project-version=$PROJECT_VERSION" >> "$GITHUB_OUTPUT"
+  else
+    check_tool mvn --version
+    set_project_version
+  fi
 fi
diff --git a/spec/build-gradle_spec.sh b/spec/build-gradle_spec.sh
index 87f6b28..15fb7dc 100755
--- a/spec/build-gradle_spec.sh
+++ b/spec/build-gradle_spec.sh
@@ -62,6 +62,7 @@ export DEPLOY_PULL_REQUEST="false"
 export SKIP_TESTS="false"
 export GRADLE_ARGS=""
 export GITHUB_OUTPUT=/dev/null
+export CURRENT_VERSION="1.2.3-SNAPSHOT"
 # Duplicate environment variables removed
 GITHUB_EVENT_PATH=$(mktemp)
 export GITHUB_EVENT_PATH
@@ -129,59 +130,6 @@ Describe 'set_build_env'
   End
 End
 
-Describe 'set_project_version'
-  It 'processes version correctly'
-    echo "version=1.0-SNAPSHOT" > gradle.properties
-    When call set_project_version
-    The output should include "Replacing version 1.2.3-SNAPSHOT with 1.2.3.42"
-    The variable CURRENT_VERSION should equal "1.2.3-SNAPSHOT"
-    The variable PROJECT_VERSION should equal "1.2.3.42"
-    rm -f gradle.properties gradle.properties.bak
-  End
-
-  It 'adds .0 to two-digit version'
-    echo "version=1.2-SNAPSHOT" > gradle.properties
-    Mock gradle
-      echo "version: 1.2-SNAPSHOT"
-    End
-    When call set_project_version
-    The output should include "Replacing version 1.2-SNAPSHOT with 1.2.0.42"
-    The variable CURRENT_VERSION should equal "1.2-SNAPSHOT"
-    The variable PROJECT_VERSION should equal "1.2.0.42"
-    rm -f gradle.properties gradle.properties.bak
-  End
-
-  It 'fails when version is empty'
-    echo "version=1.0-SNAPSHOT" > gradle.properties
-    Mock gradle
-      if [[ "$*" == "properties --no-scan --no-daemon --console plain" ]]; then
-        echo "version: "
-      else
-        echo "gradle $*"
-      fi
-    End
-    When run set_project_version
-    The status should be failure
-    The stderr should include "ERROR: Could not get valid version from Gradle properties"
-    rm -f gradle.properties gradle.properties.bak
-  End
-
-  It 'fails when version is unspecified'
-    echo "version=1.0-SNAPSHOT" > gradle.properties
-    Mock gradle
-      if [[ "$*" == "properties --no-scan --no-daemon --console plain" ]]; then
-        echo "version: unspecified"
-      else
-        echo "gradle $*"
-      fi
-    End
-    When run set_project_version
-    The status should be failure
-    The stderr should include "ERROR: Could not get valid version from Gradle properties. Got: 'unspecified'"
-    rm -f gradle.properties gradle.properties.bak
-  End
-End
-
 Describe 'should_deploy'
   It 'does not deploy when deployment is disabled'
     export DEPLOY="false"
@@ -537,9 +485,6 @@ Describe 'main function'
     Mock set_build_env
       echo "env set"
     End
-    Mock set_project_version
-      echo "version set"
-    End
     Mock gradle_build
       echo "build done"
     End
@@ -549,8 +494,7 @@ Describe 'main function'
     The line 1 should equal "java ok"
     The line 2 should equal "gradle ok"
     The line 3 should equal "env set"
-    The line 4 should equal "version set"
-    The line 5 should equal "build done"
+    The line 4 should equal "build done"
   End
 End
 
diff --git a/spec/build-npm_spec.sh b/spec/build-npm_spec.sh
index 836de44..d9215bc 100755
--- a/spec/build-npm_spec.sh
+++ b/spec/build-npm_spec.sh
@@ -172,7 +172,6 @@ Describe 'export_built_artifacts()'
   It 'skips silently when should-deploy=false'
     GITHUB_OUTPUT=$(mktemp)
     export GITHUB_OUTPUT
-    rm -rf .attestation-artifacts
     mkdir -p .attestation-artifacts
     touch .attestation-artifacts/ignored-1.0.0.tgz
     echo "deployed=false" >> "$GITHUB_OUTPUT"
@@ -180,6 +179,7 @@ Describe 'export_built_artifacts()'
     When call export_built_artifacts
     The status should be success
     The output should be blank
+    rm -rf .attestation-artifacts
   End
 End
 
diff --git a/spec/build-poetry_spec.sh b/spec/build-poetry_spec.sh
index dea99a8..47d617c 100755
--- a/spec/build-poetry_spec.sh
+++ b/spec/build-poetry_spec.sh
@@ -128,19 +128,16 @@ Describe 'set_build_env()'
 End
 
 Describe 'export_built_artifacts()'
+  # shellcheck disable=SC2329,SC2317  # Function invoked indirectly by Before
   setup() {
-    # shellcheck disable=SC2317
     mkdir -p dist
-    # shellcheck disable=SC2317
     return 0
   }
 
+  # shellcheck disable=SC2329,SC2317  # Function invoked indirectly by After
   cleanup() {
-    # shellcheck disable=SC2317
     [[ -f "$GITHUB_OUTPUT" ]] && rm -f "$GITHUB_OUTPUT"
-    # shellcheck disable=SC2317
     rm -rf dist
-    # shellcheck disable=SC2317
     return 0
   }
   Before 'setup'
diff --git a/spec/build-yarn_spec.sh b/spec/build-yarn_spec.sh
index 3cdccbd..22754eb 100755
--- a/spec/build-yarn_spec.sh
+++ b/spec/build-yarn_spec.sh
@@ -137,13 +137,13 @@ Describe 'build-yarn/build.sh'
 
     It 'skips silently when should-deploy=false'
       echo "should-deploy=false" >> "$GITHUB_OUTPUT"
-      rm -rf .attestation-artifacts
       mkdir -p .attestation-artifacts
       touch .attestation-artifacts/ignored-1.0.0.tgz
 
       When call export_built_artifacts
       The status should be success
       The output should be blank
+      rm -rf .attestation-artifacts
     End
   End
 
diff --git a/spec/set_gradle_project_version_spec.sh b/spec/set_gradle_project_version_spec.sh
new file mode 100644
index 0000000..468d7b5
--- /dev/null
+++ b/spec/set_gradle_project_version_spec.sh
@@ -0,0 +1,206 @@
+#!/bin/bash
+eval "$(shellspec - -c) exit 1"
+
+# Set required environment variables for script inclusion
+export BUILD_NUMBER="1"
+export GITHUB_ENV=/dev/null
+export GITHUB_OUTPUT=/dev/null
+
+Mock gradle
+  if [[ "$*" == "properties --no-scan --no-daemon --console plain" ]]; then
+    echo "version: 1.2.3-SNAPSHOT"
+  else
+    echo "gradle $*"
+  fi
+End
+
+Describe 'config-gradle/set_gradle_project_version.sh'
+  It 'does not run main when sourced'
+    When run source config-gradle/set_gradle_project_version.sh
+    The status should be success
+    The output should equal ""
+  End
+End
+
+Include config-gradle/set_gradle_project_version.sh
+
+Describe 'set_gradle_cmd()'
+  It 'uses gradlew when available'
+    touch ./gradlew
+
+    When call set_gradle_cmd
+    The status should be success
+    The lines of output should equal 0
+    The variable GRADLE_CMD should equal "./gradlew"
+
+    rm -f ./gradlew
+  End
+
+  It 'uses gradle when gradlew not found'
+    Mock check_tool
+      [[ "$1" == "gradle" ]] && true
+    End
+    When call set_gradle_cmd
+    The status should be success
+    The lines of output should equal 0
+    The variable GRADLE_CMD should equal "gradle"
+  End
+
+  It 'fails when neither gradle nor gradlew are available'
+    Mock check_tool
+      [[ "$1" == "gradle" ]] && false
+    End
+    When run set_gradle_cmd
+    The status should be failure
+    The lines of output should equal 0
+    The lines of error should equal 1
+    The line 1 of error should equal "Neither ./gradlew nor gradle command found!"
+  End
+End
+
+Describe 'set_project_version()'
+  # shellcheck disable=SC2329,SC2317  # Function invoked indirectly by BeforeEach
+  common_setup() {
+    BUILD_NUMBER="42"
+    GITHUB_OUTPUT=$(mktemp)
+    GITHUB_ENV=$(mktemp)
+    # shellcheck disable=SC2034  # Used by set_project_version() function
+    GRADLE_CMD="gradle"
+    echo "version=1.0-SNAPSHOT" > gradle.properties
+    return 0
+  }
+  # shellcheck disable=SC2329,SC2317  # Function invoked indirectly by AfterEach
+  common_cleanup() {
+    [[ -f "$GITHUB_OUTPUT" ]] && rm "$GITHUB_OUTPUT"
+    [[ -f "$GITHUB_ENV" ]] && rm "$GITHUB_ENV"
+    rm -f gradle.properties gradle.properties.bak
+    return 0
+  }
+
+  BeforeEach 'common_setup'
+  AfterEach 'common_cleanup'
+
+  It 'processes version correctly'
+    Mock gradle
+      echo "version: 1.2.3-SNAPSHOT"
+    End
+    When call set_project_version
+    The status should be success
+    The lines of output should equal 3
+    The line 1 should equal "CURRENT_VERSION=1.2.3-SNAPSHOT"
+    The line 2 should equal "Replacing version 1.2.3-SNAPSHOT with 1.2.3.42"
+    The line 3 should equal "PROJECT_VERSION=1.2.3.42"
+    The variable CURRENT_VERSION should equal "1.2.3-SNAPSHOT"
+    The variable PROJECT_VERSION should equal "1.2.3.42"
+    The lines of contents of file "$GITHUB_OUTPUT" should equal 1
+    The line 1 of contents of file "$GITHUB_OUTPUT" should equal "project-version=1.2.3.42"
+    The lines of contents of file "$GITHUB_ENV" should equal 2
+    The line 1 of contents of file "$GITHUB_ENV" should equal "CURRENT_VERSION=1.2.3-SNAPSHOT"
+    The line 2 of contents of file "$GITHUB_ENV" should equal "PROJECT_VERSION=1.2.3.42"
+  End
+
+  It 'adds .0 to two-digit version'
+    Mock gradle
+      echo "version: 1.2-SNAPSHOT"
+    End
+    When call set_project_version
+    The status should be success
+    The lines of output should equal 3
+    The line 1 should equal "CURRENT_VERSION=1.2-SNAPSHOT"
+    The line 2 should equal "Replacing version 1.2-SNAPSHOT with 1.2.0.42"
+    The line 3 should equal "PROJECT_VERSION=1.2.0.42"
+    The variable CURRENT_VERSION should equal "1.2-SNAPSHOT"
+    The variable PROJECT_VERSION should equal "1.2.0.42"
+    The lines of contents of file "$GITHUB_OUTPUT" should equal 1
+    The line 1 of contents of file "$GITHUB_OUTPUT" should equal "project-version=1.2.0.42"
+    The lines of contents of file "$GITHUB_ENV" should equal 2
+    The line 1 of contents of file "$GITHUB_ENV" should equal "CURRENT_VERSION=1.2-SNAPSHOT"
+    The line 2 of contents of file "$GITHUB_ENV" should equal "PROJECT_VERSION=1.2.0.42"
+  End
+
+  It 'fails when version is empty'
+    Mock gradle
+      echo "version:"
+    End
+    When run set_project_version
+    The status should be failure
+    The lines of output should equal 0
+    The lines of error should equal 1
+    The line 1 of error should equal "ERROR: Could not get valid version from Gradle properties. Got: ''"
+  End
+
+  It 'fails when version is unspecified'
+    Mock gradle
+      echo "version: unspecified"
+    End
+    When run set_project_version
+    The status should be failure
+    The lines of output should equal 0
+    The lines of error should equal 1
+    The line 1 of error should equal "ERROR: Could not get valid version from Gradle properties. Got: 'unspecified'"
+  End
+End
+
+Describe 'main()'
+  common_setup() {
+    BUILD_NUMBER="42"
+    GITHUB_OUTPUT=$(mktemp)
+    GITHUB_ENV=$(mktemp)
+    echo "version=1.0-SNAPSHOT" > gradle.properties
+    return 0
+  }
+
+  common_cleanup() {
+    rm -f "$GITHUB_OUTPUT" "$GITHUB_ENV" gradle.properties gradle.properties.bak
+    return 0
+  }
+
+  BeforeEach 'common_setup'
+  AfterEach 'common_cleanup'
+
+  # Mock gradle to prove set_gradle_cmd and set_project_version were called
+  Mock gradle
+    # Output from set_project_version
+    echo "version: 1.2.4-SNAPSHOT"
+  End
+
+  It 'runs tool checks and calls set_project_version'
+    When run script config-gradle/set_gradle_project_version.sh
+    The status should be success
+    The lines of output should equal 5
+    The line 1 should include "gradle"
+    The line 2 should equal "version: 1.2.4-SNAPSHOT"
+    The line 3 should equal "CURRENT_VERSION=1.2.4-SNAPSHOT"
+    The line 4 should equal "Replacing version 1.2.4-SNAPSHOT with 1.2.4.42"
+    The line 5 should equal "PROJECT_VERSION=1.2.4.42"
+  End
+
+  It 'uses provided CURRENT_VERSION and PROJECT_VERSION without changes'
+    export CURRENT_VERSION="1.2.3-SNAPSHOT"
+    export PROJECT_VERSION="1.2.3.42"
+
+    When run script config-gradle/set_gradle_project_version.sh
+    The status should be success
+    The lines of output should equal 1
+    The line 1 should equal "Using provided CURRENT_VERSION 1.2.3-SNAPSHOT and PROJECT_VERSION 1.2.3.42 without changes."
+    The lines of contents of file "$GITHUB_OUTPUT" should equal 2
+    The line 1 of contents of file "$GITHUB_OUTPUT" should equal "current-version=1.2.3-SNAPSHOT"
+    The line 2 of contents of file "$GITHUB_OUTPUT" should equal "project-version=1.2.3.42"
+  End
+
+  It 'proceeds normally when only CURRENT_VERSION is provided'
+    export CURRENT_VERSION="1.2.3-SNAPSHOT"
+
+    When run script config-gradle/set_gradle_project_version.sh
+    The status should be success
+    The lines of output should equal 5
+  End
+
+  It 'proceeds normally when only PROJECT_VERSION is provided'
+    export PROJECT_VERSION="1.2.3.42"
+
+    When run script config-gradle/set_gradle_project_version.sh
+    The status should be success
+    The lines of output should equal 5
+  End
+End
diff --git a/spec/set_maven_project_version_spec.sh b/spec/set_maven_project_version_spec.sh
index 327d8a0..bbea3eb 100644
--- a/spec/set_maven_project_version_spec.sh
+++ b/spec/set_maven_project_version_spec.sh
@@ -40,16 +40,18 @@ Describe 'get_current_version()'
 End
 
 Describe 'set_project_version()'
+  # shellcheck disable=SC2329,SC2317  # Function invoked indirectly by BeforeEach
   common_setup() {
-    export BUILD_NUMBER="999"
+    BUILD_NUMBER="999"
     GITHUB_OUTPUT=$(mktemp)
-    export GITHUB_OUTPUT
     GITHUB_ENV=$(mktemp)
-    export GITHUB_ENV
+    return 0
   }
+  # shellcheck disable=SC2329,SC2317  # Function invoked indirectly by AfterEach
   common_cleanup() {
     [[ -f "$GITHUB_OUTPUT" ]] && rm "$GITHUB_OUTPUT"
     [[ -f "$GITHUB_ENV" ]] && rm "$GITHUB_ENV"
+    return 0
   }
 
   BeforeEach 'common_setup'
@@ -136,31 +138,76 @@ Describe 'set_project_version()'
     The line 1 of output should include "Could not get 'project.version' from Maven project"
     The line 2 of output should start with "ERROR:"
   End
-
-  It 'skips version update when already set in environment'
-    export CURRENT_VERSION="1.2.3-SNAPSHOT"
-    export PROJECT_VERSION="1.2.3-42"
-    export BUILD_NUMBER="42"
-    When call set_project_version
-    The status should be success
-    The line 1 should equal "Using provided CURRENT_VERSION 1.2.3-SNAPSHOT and PROJECT_VERSION 1.2.3-42 without changes."
-    The contents of file "$GITHUB_OUTPUT" should include "current-version=1.2.3-SNAPSHOT"
-    The contents of file "$GITHUB_OUTPUT" should include "project-version=1.2.3-42"
-  End
 End
 
 Describe 'main()'
-  Mock get_current_version
-    echo "1.2.3-SNAPSHOT"
+  common_setup() {
+    BUILD_NUMBER="1"
+    GITHUB_OUTPUT=$(mktemp)
+    GITHUB_ENV=$(mktemp)
+    return 0
+  }
+
+  common_cleanup() {
+    rm -f "$GITHUB_OUTPUT" "$GITHUB_ENV"
+    return 0
+  }
+
+  BeforeEach 'common_setup'
+  AfterEach 'common_cleanup'
+
+  Mock mvn
+    if [[ "$*" == "--version" ]]; then
+      echo "mvn --version"
+    elif [[ "$*" == *"exec-maven-plugin"* ]]; then
+      echo "1.2.3-SNAPSHOT"
+    elif [[ "$*" == *"versions-maven-plugin"* ]]; then
+      echo "mvn versions"
+    fi
   End
+
   It 'runs tool checks and calls set_project_version'
-    export CURRENT_VERSION="1.2.3-SNAPSHOT"
-    export PROJECT_VERSION="1.2.3-42"
     When run script config-maven/set_maven_project_version.sh
     The status should be success
-    The lines of stdout should equal 3
+    The lines of output should equal 7
     The line 1 should include "mvn"
     The line 2 should equal "mvn --version"
-    The line 3 should start with "Using provided CURRENT_VERSION 1.2.3-SNAPSHOT and PROJECT_VERSION 1.2.3-42 without changes."
+    The line 3 should equal "CURRENT_VERSION=1.2.3-SNAPSHOT (from pom.xml)"
+    The line 4 should equal "Replacing version 1.2.3-SNAPSHOT with 1.2.3.1"
+    The line 5 should start with "Maven command:"
+    The line 6 should equal "mvn versions"
+    The line 7 should equal "PROJECT_VERSION=1.2.3.1"
+  End
+
+  It 'uses provided CURRENT_VERSION and PROJECT_VERSION without changes'
+    export BUILD_NUMBER="999"
+    export CURRENT_VERSION="1.2.3-SNAPSHOT"
+    export PROJECT_VERSION="1.2.3.999"
+
+    When run script config-maven/set_maven_project_version.sh
+    The status should be success
+    The lines of output should equal 1
+    The line 1 should equal "Using provided CURRENT_VERSION 1.2.3-SNAPSHOT and PROJECT_VERSION 1.2.3.999 without changes."
+    The lines of contents of file "$GITHUB_OUTPUT" should equal 2
+    The line 1 of contents of file "$GITHUB_OUTPUT" should equal "current-version=1.2.3-SNAPSHOT"
+    The line 2 of contents of file "$GITHUB_OUTPUT" should equal "project-version=1.2.3.999"
+  End
+
+  It 'proceeds normally when only CURRENT_VERSION is provided'
+    export BUILD_NUMBER="999"
+    export CURRENT_VERSION="1.2.3-SNAPSHOT"
+
+    When run script config-maven/set_maven_project_version.sh
+    The status should be success
+    The lines of output should equal 7
+  End
+
+  It 'proceeds normally when only PROJECT_VERSION is provided'
+    export BUILD_NUMBER="999"
+    export PROJECT_VERSION="1.2.3.999"
+
+    When run script config-maven/set_maven_project_version.sh
+    The status should be success
+    The lines of output should equal 7
   End
 End