diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 0a8720eb..b627e39c 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -114,7 +114,7 @@ jobs:
         # Note that this step is not currently used due to #1033
         if: false
         id: auth_google_play
-        uses: google-github-actions/auth@8254fb75a33b976a221574d287e93919e6a36f70
+        uses: google-github-actions/auth@6fc4af4b145ae7821d527454aa9bd537d1f2dc5f
         with:
           create_credentials_file: true
           project_id: ${{ secrets.GOOGLE_PLAY_CLOUD_PROJECT }}
diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 88920922..d3092f04 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -288,7 +288,7 @@ jobs:
           ./gradlew assembleDebug assembleAndroidTest assembleZcashmainnetDebug assembleZcashtestnetDebug
       - name: Authenticate to Google Cloud for Firebase Test Lab
         id: auth_test_lab
-        uses: google-github-actions/auth@8254fb75a33b976a221574d287e93919e6a36f70
+        uses: google-github-actions/auth@6fc4af4b145ae7821d527454aa9bd537d1f2dc5f
         with:
           create_credentials_file: true
           project_id: ${{ vars.FIREBASE_TEST_LAB_PROJECT }}
@@ -466,7 +466,7 @@ jobs:
           ./gradlew :app:assembleDebug
       - name: Authenticate to Google Cloud for Firebase Test Lab
         id: auth_test_lab
-        uses: google-github-actions/auth@8254fb75a33b976a221574d287e93919e6a36f70
+        uses: google-github-actions/auth@6fc4af4b145ae7821d527454aa9bd537d1f2dc5f
         with:
           create_credentials_file: true
           project_id: ${{ vars.FIREBASE_TEST_LAB_PROJECT }}
@@ -578,7 +578,7 @@ jobs:
         timeout-minutes: 5
       - name: Authenticate to Google Cloud for Firebase Test Lab
         id: auth_test_lab
-        uses: google-github-actions/auth@8254fb75a33b976a221574d287e93919e6a36f70
+        uses: google-github-actions/auth@6fc4af4b145ae7821d527454aa9bd537d1f2dc5f
         with:
           create_credentials_file: true
           project_id: ${{ vars.FIREBASE_TEST_LAB_PROJECT }}