diff --git a/.github/workflows/techdocs.yaml b/.github/workflows/techdocs.yaml
index ab5464f..8953082 100644
--- a/.github/workflows/techdocs.yaml
+++ b/.github/workflows/techdocs.yaml
@@ -98,7 +98,7 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - id: auth
-        uses: google-github-actions/auth@140bb5113ffb6b65a7e9b937a81fa96cf5064462 # pin@v2.1.11
+        uses: google-github-actions/auth@b7593ed2efd1c1617e1b0254da33b86225adb2a5 # pin@v2.1.12
         if: ${{ needs.setup.outputs.publish == 'true' }}
         with:
           workload_identity_provider: ${{ inputs.workload_identity_provider }}