diff --git a/.github/workflows/gcr-cleaner.yml b/.github/workflows/gcr-cleaner.yml
index 293358f22..bd3ae0862 100644
--- a/.github/workflows/gcr-cleaner.yml
+++ b/.github/workflows/gcr-cleaner.yml
@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@v4.2.0
       - id: "auth"
         name: "Authenticate to GCP"
-        uses: google-github-actions/auth@v2.1.5
+        uses: google-github-actions/auth@v2.1.6
         with:
           workload_identity_provider: ${{env.GCP_WORKLOAD_IDENTITY_PROVIDER}}
           service_account: ${{env.GCP_SERVICE_ACCOUNT}}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 75e0252e0..65eb2575e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -401,7 +401,7 @@ jobs:
         if: ${{ github.event_name == 'push' }}
       - id: "auth"
         name: "Authenticate to GCP"
-        uses: google-github-actions/auth@v2.1.5
+        uses: google-github-actions/auth@v2.1.6
         with:
           workload_identity_provider: ${{env.GCP_WORKLOAD_IDENTITY_PROVIDER}}
           service_account: ${{env.GCP_SERVICE_ACCOUNT}}
@@ -520,7 +520,7 @@ jobs:
       - uses: actions/checkout@v4.2.0
       - id: "auth"
         name: "Authenticate to GCP"
-        uses: google-github-actions/auth@v2.1.5
+        uses: google-github-actions/auth@v2.1.6
         with:
           workload_identity_provider: ${{env.GCP_WORKLOAD_IDENTITY_PROVIDER}}
           service_account: ${{env.GCP_SERVICE_ACCOUNT}}
@@ -551,7 +551,7 @@ jobs:
       - id: "auth"
         if: ${{ steps.get_run_numbers.outputs.result != '' }}
         name: "Authenticate to GCP"
-        uses: google-github-actions/auth@v2.1.5
+        uses: google-github-actions/auth@v2.1.6
         with:
           workload_identity_provider: ${{env.GCP_WORKLOAD_IDENTITY_PROVIDER}}
           service_account: ${{env.GCP_SERVICE_ACCOUNT}}
diff --git a/.github/workflows/remove_app_engine_versions.yml b/.github/workflows/remove_app_engine_versions.yml
index c6915d6a1..6a76a7613 100644
--- a/.github/workflows/remove_app_engine_versions.yml
+++ b/.github/workflows/remove_app_engine_versions.yml
@@ -27,7 +27,7 @@ jobs:
       - id: "auth"
         if: ${{ steps.get_run_numbers.outputs.result != '' }}
         name: "Authenticate to GCP"
-        uses: google-github-actions/auth@v2.1.5
+        uses: google-github-actions/auth@v2.1.6
         with:
           workload_identity_provider: "projects/765091727073/locations/global/workloadIdentityPools/hato-atama-workload-identity/providers/github"
           service_account: "actions-deploy@hato-atama.iam.gserviceaccount.com"