diff --git a/changelog.d/20251114_083056_clement.tourriere_add_missing_secret_write_scope.md b/changelog.d/20251114_083056_clement.tourriere_add_missing_secret_write_scope.md
new file mode 100644
index 00000000..8dcaf4f5
--- /dev/null
+++ b/changelog.d/20251114_083056_clement.tourriere_add_missing_secret_write_scope.md
@@ -0,0 +1,43 @@
+<!--
+A new scriv changelog fragment.
+
+Uncomment the section that is right (remove the HTML comment wrapper).
+For top level release notes, leave all the headers commented out.
+-->
+
+<!--
+### Removed
+
+- A bullet item for the Removed category.
+
+-->
+<!--
+### Added
+
+- A bullet item for the Added category.
+
+-->
+<!--
+### Changed
+
+- A bullet item for the Changed category.
+
+-->
+<!--
+### Deprecated
+
+- A bullet item for the Deprecated category.
+
+-->
+<!--
+### Fixed
+
+- Missing scope leading to validation errors
+
+-->
+<!--
+### Security
+
+- A bullet item for the Security category.
+
+-->
diff --git a/pygitguardian/models.py b/pygitguardian/models.py
index c33f9ac1..e8baf808 100644
--- a/pygitguardian/models.py
+++ b/pygitguardian/models.py
@@ -771,6 +771,7 @@ class TokenScope(str, Enum):
     CUSTOM_TAGS_READ = "custom_tags:read"
     CUSTOM_TAGS_WRITE = "custom_tags:write"
     SECRET_READ = "secrets:read"
+    SECRET_WRITE = "secrets:write"
     SCAN_CREATE_INCIDENTS = "scan:create-incidents"
     PUBLIC_PERIMETER_VIEW = "public-perimeter:read"