diff --git a/.github/workflows/auto-version.yml b/.github/workflows/auto-version.yml
index 76311616d..ef180977d 100644
--- a/.github/workflows/auto-version.yml
+++ b/.github/workflows/auto-version.yml
@@ -461,7 +461,7 @@ jobs:
           sha256sum "/tmp/${{ matrix.artifact_name }}" > "/tmp/${{ matrix.artifact_name }}.sha256"
 
       - name: Attest binary provenance (SLSA/Sigstore)
-        uses: actions/attest-build-provenance@e8998f949152b193b063cb0ec769d69d929409be # v2
+        uses: actions/attest-build-provenance@4d101475d8b20a2381f78447822ac1eab6504dd8 # v4.2.2
         with:
           subject-path: /tmp/${{ matrix.artifact_name }}
 
@@ -498,7 +498,7 @@ jobs:
           cat /tmp/install.sh.sha256
 
       - name: Attest install.sh provenance (SLSA/Sigstore)
-        uses: actions/attest-build-provenance@e8998f949152b193b063cb0ec769d69d929409be # v2
+        uses: actions/attest-build-provenance@4d101475d8b20a2381f78447822ac1eab6504dd8 # v4.2.2
         with:
           subject-path: install.sh
 
@@ -555,7 +555,7 @@ jobs:
           cat /tmp/catalyst-mcp.mjs.sha256
 
       - name: Attest bundle provenance (SLSA/Sigstore)
-        uses: actions/attest-build-provenance@e8998f949152b193b063cb0ec769d69d929409be # v2
+        uses: actions/attest-build-provenance@4d101475d8b20a2381f78447822ac1eab6504dd8 # v4.2.2
         with:
           subject-path: /tmp/catalyst-mcp.mjs
 
@@ -647,7 +647,7 @@ jobs:
           cache-to: type=gha,mode=max
 
       - name: Attest image provenance (SLSA/Sigstore)
-        uses: actions/attest-build-provenance@e8998f949152b193b063cb0ec769d69d929409be # v2
+        uses: actions/attest-build-provenance@4d101475d8b20a2381f78447822ac1eab6504dd8 # v4.2.2
         with:
           subject-name: ${{ env.REGISTRY }}/${{ github.repository_owner }}/catalyst-${{ matrix.image }}
           subject-digest: ${{ steps.build-push.outputs.digest }}