diff --git a/.github/actions/apply-single-tags/action.yml b/.github/actions/apply-single-tags/action.yml
index 365cf082cf..606db902e1 100644
--- a/.github/actions/apply-single-tags/action.yml
+++ b/.github/actions/apply-single-tags/action.yml
@@ -23,7 +23,7 @@ runs:
         variant: ${{ inputs.variant }}
 
     - name: Download tags file 📥
-      uses: actions/download-artifact@v5
+      uses: actions/download-artifact@634f93cb2916e3fdff6788551b99b062d0335ce0 # v5.0.0
       with:
         name: ${{ inputs.image }}-${{ inputs.platform }}-${{ inputs.variant }}-tags
         path: /tmp/jupyter/tags/
diff --git a/.github/actions/create-dev-env/action.yml b/.github/actions/create-dev-env/action.yml
index 730320a187..b6c16af598 100644
--- a/.github/actions/create-dev-env/action.yml
+++ b/.github/actions/create-dev-env/action.yml
@@ -5,7 +5,7 @@ runs:
   using: composite
   steps:
     - name: Set Up Python 🐍
-      uses: actions/setup-python@v6
+      uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
       with:
         python-version: 3.12
 
diff --git a/.github/actions/load-image/action.yml b/.github/actions/load-image/action.yml
index 2c36d1b1d3..a0bae0c537 100644
--- a/.github/actions/load-image/action.yml
+++ b/.github/actions/load-image/action.yml
@@ -16,7 +16,7 @@ runs:
   using: composite
   steps:
     - name: Download built image 📥
-      uses: actions/download-artifact@v5
+      uses: actions/download-artifact@634f93cb2916e3fdff6788551b99b062d0335ce0 # v5.0.0
       with:
         name: ${{ inputs.image }}-${{ inputs.platform }}-${{ inputs.variant }}
         path: /tmp/jupyter/images/
diff --git a/.github/workflows/contributed-recipes.yml b/.github/workflows/contributed-recipes.yml
index 9a163035d9..e4c855f13d 100644
--- a/.github/workflows/contributed-recipes.yml
+++ b/.github/workflows/contributed-recipes.yml
@@ -41,7 +41,7 @@ jobs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}
     steps:
       - name: Checkout Repo ⚡️
-        uses: actions/checkout@v5
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       - name: Calculate recipes matrix 🛠
         id: set-matrix
@@ -57,7 +57,7 @@ jobs:
 
     steps:
       - name: Checkout Repo ⚡️
-        uses: actions/checkout@v5
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       - name: Load image to Docker 📥
         if: ${{ inputs.called-using-workflow-call && matrix.parent-image != '' }}
diff --git a/.github/workflows/docker-build-test-upload.yml b/.github/workflows/docker-build-test-upload.yml
index 470bb650d2..26890a4413 100644
--- a/.github/workflows/docker-build-test-upload.yml
+++ b/.github/workflows/docker-build-test-upload.yml
@@ -61,7 +61,7 @@ jobs:
           swap-storage: false
 
       - name: Checkout Repo ⚡️
-        uses: actions/checkout@v5
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: Create dev environment 📦
         uses: ./.github/actions/create-dev-env
 
@@ -102,7 +102,7 @@ jobs:
             --tags-dir /tmp/jupyter/tags/
         shell: bash
       - name: Upload tags file 💾
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: ${{ inputs.image }}-${{ inputs.platform }}-${{ inputs.variant }}-tags
           path: /tmp/jupyter/tags/${{ inputs.platform }}-${{ inputs.variant }}-${{ inputs.image }}.txt
@@ -120,13 +120,13 @@ jobs:
             --repository ${{ github.repository }}
         shell: bash
       - name: Upload manifest file 💾
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: ${{ inputs.image }}-${{ inputs.platform }}-${{ inputs.variant }}-manifest
           path: /tmp/jupyter/manifests/${{ inputs.platform }}-${{ inputs.variant }}-${{ inputs.image }}-*.md
           retention-days: 3
       - name: Upload build history line 💾
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: ${{ inputs.image }}-${{ inputs.platform }}-${{ inputs.variant }}-history_line
           path: /tmp/jupyter/hist_lines/${{ inputs.platform }}-${{ inputs.variant }}-${{ inputs.image }}-*.txt
@@ -140,7 +140,7 @@ jobs:
             | zstd > /tmp/jupyter/images/${{ inputs.image }}-${{ inputs.platform }}-${{ inputs.variant }}.tar.zst
         shell: bash
       - name: Upload image as artifact 💾
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: ${{ inputs.image }}-${{ inputs.platform }}-${{ inputs.variant }}
           path: /tmp/jupyter/images/${{ inputs.image }}-${{ inputs.platform }}-${{ inputs.variant }}.tar.zst
diff --git a/.github/workflows/docker-tag-push.yml b/.github/workflows/docker-tag-push.yml
index b8dbdfb9e4..0b01235b1c 100644
--- a/.github/workflows/docker-tag-push.yml
+++ b/.github/workflows/docker-tag-push.yml
@@ -47,7 +47,7 @@ jobs:
           swap-storage: false
 
       - name: Checkout Repo ⚡️
-        uses: actions/checkout@v5
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: Create dev environment 📦
         uses: ./.github/actions/create-dev-env
 
diff --git a/.github/workflows/docker-wiki-update.yml b/.github/workflows/docker-wiki-update.yml
index e7314842fa..4072d1b959 100644
--- a/.github/workflows/docker-wiki-update.yml
+++ b/.github/workflows/docker-wiki-update.yml
@@ -18,26 +18,26 @@ jobs:
 
     steps:
       - name: Checkout Repo ⚡️
-        uses: actions/checkout@v5
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           fetch-depth: 0
       - name: Create dev environment 📦
         uses: ./.github/actions/create-dev-env
 
       - name: Download all history lines 📥
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@634f93cb2916e3fdff6788551b99b062d0335ce0 # v5.0.0
         with:
           pattern: "*-history_line"
           path: /tmp/jupyter/hist_lines/
 
       - name: Download all manifests 📥
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@634f93cb2916e3fdff6788551b99b062d0335ce0 # v5.0.0
         with:
           pattern: "*-manifest"
           path: /tmp/jupyter/manifests/
 
       - name: Checkout Wiki Repo 📃
-        uses: actions/checkout@v5
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           repository: ${{ github.repository }}.wiki
           path: wiki_src/
diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 7c6df2228f..f8648759af 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -17,10 +17,10 @@ jobs:
 
     steps:
       - name: Checkout Repo ⚡️
-        uses: actions/checkout@v5
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       - name: Set Up Python 🐍
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: 3.12
 
diff --git a/.github/workflows/registry-move.yml b/.github/workflows/registry-move.yml
index 4d31e560d2..287ec5249f 100644
--- a/.github/workflows/registry-move.yml
+++ b/.github/workflows/registry-move.yml
@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Checkout Repo ⚡️
-        uses: actions/checkout@v5
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       - name: Install skopeo and Docker 📦
         run: |
diff --git a/.github/workflows/registry-overviews.yml b/.github/workflows/registry-overviews.yml
index 411f2b64ee..41e9ad344d 100644
--- a/.github/workflows/registry-overviews.yml
+++ b/.github/workflows/registry-overviews.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout Repo ⚡️
-        uses: actions/checkout@v5
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       - name: Push README to Registry 🐳
         uses: christian-korneck/update-container-description-action@d36005551adeaba9698d8d67a296bd16fa91f8e8 # v1
diff --git a/.github/workflows/sphinx.yml b/.github/workflows/sphinx.yml
index 7f8786d9cd..e70e428147 100644
--- a/.github/workflows/sphinx.yml
+++ b/.github/workflows/sphinx.yml
@@ -49,12 +49,12 @@ jobs:
 
     steps:
       - name: Checkout Repo ⚡️
-        uses: actions/checkout@v5
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           fetch-depth: 0
 
       - name: Set Up Python 🐍
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: 3.12