diff --git a/.github/workflows/backport-fixes.yml b/.github/workflows/backport-fixes.yml
index 6c4c44e..61c2219 100644
--- a/.github/workflows/backport-fixes.yml
+++ b/.github/workflows/backport-fixes.yml
@@ -48,7 +48,7 @@ jobs:
           echo "to=$to" >> "$GITHUB_OUTPUT"
 
       - name: Check out repo with full history
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a1e9a27..19f1591 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
           - authplane-fastmcp
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       # AuthPlane/conformance is the public sibling repo carrying the shared
       # oauth-sdk-conformance-catalog.yaml. Cloned to $RUNNER_TEMP — outside
diff --git a/.github/workflows/cut-release.yml b/.github/workflows/cut-release.yml
index 3018711..f3f51ca 100644
--- a/.github/workflows/cut-release.yml
+++ b/.github/workflows/cut-release.yml
@@ -86,7 +86,7 @@ jobs:
           } >> "$GITHUB_OUTPUT"
 
       - name: Check out default branch with full history and tags
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           ref: ${{ github.event.repository.default_branch }}
           fetch-depth: 0
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index d9a9de6..ecd35b5 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -11,10 +11,10 @@ jobs:
       pull-requests: write
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Dependency review
         continue-on-error: true
-        uses: actions/dependency-review-action@2031cfc080254a8a887f58cffee85186f0e49e48 # v4.9.0
+        uses: actions/dependency-review-action@a1d282b36b6f3519aa1f3fc636f609c47dddb294 # v5.0.0
         with:
           # MPL-2.0 is safe only as a transitive dependency — do not vendor or
           # fork MPL-licensed source without re-evaluating the obligations.
diff --git a/.github/workflows/publish-pypi.yml b/.github/workflows/publish-pypi.yml
index 5501af4..b593795 100644
--- a/.github/workflows/publish-pypi.yml
+++ b/.github/workflows/publish-pypi.yml
@@ -29,7 +29,7 @@ jobs:
       id-token: write   # required for PyPI OIDC (trusted publishing)
     steps:
       - name: Check out the tagged commit
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           # Full history so hatch-vcs sees the tag ancestry.
           fetch-depth: 0
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 30b9f98..b512491 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -78,7 +78,7 @@ jobs:
           private-key: ${{ secrets.RELEASE_BOT_PRIVATE_KEY }}
 
       - name: Check out repo with full history and all tags
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 0
           ref: ${{ github.ref }}
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index 6298d35..ee65d73 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -34,7 +34,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           persist-credentials: false
 
@@ -53,6 +53,6 @@ jobs:
           retention-days: 5
 
       - name: Upload to code-scanning
-        uses: github/codeql-action/upload-sarif@95e58e9a2cdfd71adc6e0353d5c52f41a045d225 # v4.35.2
+        uses: github/codeql-action/upload-sarif@8aad20d150bbac5944a9f9d289da16a4b0d87c1e # v4.36.2
         with:
           sarif_file: results.sarif
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 4afa658..a59df5b 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -39,7 +39,7 @@ jobs:
           - authplane-fastmcp
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Setup Python
         uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
index 30baf78..589c0a9 100644
--- a/.github/workflows/stale.yml
+++ b/.github/workflows/stale.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Mark stale issues and PRs
-        uses: actions/stale@b5d41d4e1d5dceea10e7104786b73624c18a190f # v10.2.0
+        uses: actions/stale@eb5cf3af3ac0a1aa4c9c45633dd1ae542a27a899 # v10.3.0
         with:
           days-before-issue-stale: 60
           days-before-issue-close: 30