diff --git a/README.md b/README.md
index 8aacc8c9..feed161c 100644
--- a/README.md
+++ b/README.md
@@ -142,7 +142,7 @@ job:
     - id: auth
       uses: google-github-actions/auth@v0
       with:
-        credentials_json: ${{ secrets.gcp_credentials }}
+        credentials_json: ${{ secrets.GCP_CREDENTIALS }}
 
     - name: Set up Cloud SDK
       uses: google-github-actions/setup-gcloud@v0.3.0
diff --git a/example-workflows/cloud-build/.github/workflows/cloud-build.yml b/example-workflows/cloud-build/.github/workflows/cloud-build.yml
index e9c7bc93..09f06d79 100644
--- a/example-workflows/cloud-build/.github/workflows/cloud-build.yml
+++ b/example-workflows/cloud-build/.github/workflows/cloud-build.yml
@@ -28,17 +28,32 @@ jobs:
     name: Setup, Build, and Deploy
     runs-on: ubuntu-latest
 
+    # Add "id-token" with the intended permissions.
+    permissions:
+      contents: 'read'
+      id-token: 'write'
+
     steps:
     - name: Checkout
       uses: actions/checkout@v2
 
-    # Setup gcloud CLI
-    - uses: google-github-actions/setup-gcloud@master
+    # Configure Workload Identity Federation and generate an access token.
+    - id: 'auth'
+      name: 'Authenticate to Google Cloud'
+      uses: 'google-github-actions/auth@v0'
       with:
-        version: '286.0.0'
-        service_account_email: ${{ secrets.RUN_SA_EMAIL }}
-        service_account_key: ${{ secrets.RUN_SA_KEY }}
-        project_id: ${{ secrets.RUN_PROJECT }}
+        workload_identity_provider: 'projects/123456789/locations/global/workloadIdentityPools/my-pool/providers/my-provider'
+        service_account: 'my-service-account@my-project.iam.gserviceaccount.com'
+
+    # Alternative option - authentication via credentials json
+    # - id: 'auth'
+    #   uses: 'google-github-actions/auth@v0'
+    #   with:
+    #     credentials_json: '${{ secrets.GCP_CREDENTIALS }}'
+
+    # Setup gcloud CLI
+    - name: Set up Cloud SDK
+      uses: google-github-actions/setup-gcloud@v0
 
     # Build and push image to Google Container Registry
     - name: Build
diff --git a/example-workflows/cloud-run/cloud-run.yml b/example-workflows/cloud-run/cloud-run.yml
index 550ff569..3f667e30 100644
--- a/example-workflows/cloud-run/cloud-run.yml
+++ b/example-workflows/cloud-run/cloud-run.yml
@@ -26,15 +26,33 @@ env:
 jobs:
   deploy:
     runs-on: ubuntu-latest
+
+    # Add "id-token" with the intended permissions.
+    permissions:
+      contents: 'read'
+      id-token: 'write'
+
     steps:
     - name: Checkout
       uses: actions/checkout@v2
 
-    - name: Setup Cloud SDK
-      uses: google-github-actions/setup-gcloud@v0.2.0
+    # Configure Workload Identity Federation and generate an access token.
+    - id: 'auth'
+      name: 'Authenticate to Google Cloud'
+      uses: 'google-github-actions/auth@v0'
       with:
-        project_id: ${{ env.PROJECT_ID }}
-        service_account_key: ${{ secrets.GCP_SA_KEY }}
+        workload_identity_provider: 'projects/123456789/locations/global/workloadIdentityPools/my-pool/providers/my-provider'
+        service_account: 'my-service-account@my-project.iam.gserviceaccount.com'
+
+    # Alternative option - authentication via credentials json
+    # - id: 'auth'
+    #   uses: 'google-github-actions/auth@v0'
+    #   with:
+    #     credentials_json: '${{ secrets.GCP_CREDENTIALS }}'
+
+    # Setup gcloud CLI
+    - name: Set up Cloud SDK
+      uses: google-github-actions/setup-gcloud@v0
 
     - name: Authorize Docker push
       run: gcloud auth configure-docker
diff --git a/example-workflows/gae/app-engine.yml b/example-workflows/gae/app-engine.yml
index 41e941f9..3131738a 100644
--- a/example-workflows/gae/app-engine.yml
+++ b/example-workflows/gae/app-engine.yml
@@ -23,15 +23,33 @@ jobs:
   deploy:
     name: Deploy
     runs-on: ubuntu-latest
+
+    # Add "id-token" with the intended permissions.
+    permissions:
+      contents: 'read'
+      id-token: 'write'
+
     steps:
       - name: Checkout
         uses: actions/checkout@v2
 
-      - name: Setup Cloud SDK
-        uses: google-github-actions/setup-gcloud@v0.2.0
+      # Configure Workload Identity Federation and generate an access token.
+      - id: 'auth'
+        name: 'Authenticate to Google Cloud'
+        uses: 'google-github-actions/auth@v0'
         with:
-          project_id: ${{ env.PROJECT_ID }}
-          service_account_key: ${{ secrets.GCP_SA_KEY }}
+          workload_identity_provider: 'projects/123456789/locations/global/workloadIdentityPools/my-pool/providers/my-provider'
+          service_account: 'my-service-account@my-project.iam.gserviceaccount.com'
+
+      # Alternative option - authentication via credentials json
+      # - id: 'auth'
+      #   uses: 'google-github-actions/auth@v0'
+      #   with:
+      #     credentials_json: '${{ secrets.GCP_CREDENTIALS }}'
+
+      # Setup gcloud CLI
+      - name: Set up Cloud SDK
+        uses: google-github-actions/setup-gcloud@v0
 
       - name: Deploy to App Engine
         run: gcloud app deploy --quiet
diff --git a/example-workflows/gce/.github/workflows/gce.yaml b/example-workflows/gce/.github/workflows/gce.yaml
index 75bdfd35..7ada1d87 100644
--- a/example-workflows/gce/.github/workflows/gce.yaml
+++ b/example-workflows/gce/.github/workflows/gce.yaml
@@ -29,16 +29,32 @@ jobs:
     name: Setup, Build, Publish, and Deploy
     runs-on: ubuntu-latest
 
+    # Add "id-token" with the intended permissions.
+    permissions:
+      contents: 'read'
+      id-token: 'write'
+
     steps:
     - name: Checkout
       uses: actions/checkout@v2
 
-    # Setup gcloud CLI
-    - uses: google-github-actions/setup-gcloud@master
+    # Configure Workload Identity Federation and generate an access token.
+    - id: 'auth'
+      name: 'Authenticate to Google Cloud'
+      uses: 'google-github-actions/auth@v0'
       with:
-        version: '290.0.1'
-        service_account_key: ${{ secrets.GCE_SA_KEY }}
-        project_id: ${{ secrets.GCE_PROJECT }}
+        workload_identity_provider: 'projects/123456789/locations/global/workloadIdentityPools/my-pool/providers/my-provider'
+        service_account: 'my-service-account@my-project.iam.gserviceaccount.com'
+
+    # Alternative option - authentication via credentials json
+    # - id: 'auth'
+    #   uses: 'google-github-actions/auth@v0'
+    #   with:
+    #     credentials_json: '${{ secrets.GCP_CREDENTIALS }}'
+
+    # Setup gcloud CLI
+    - name: Set up Cloud SDK
+      uses: google-github-actions/setup-gcloud@v0
 
     # Configure Docker to use the gcloud command-line tool as a credential
     # helper for authentication
diff --git a/example-workflows/gke-kustomize/.github/workflows/gke-kustomize.yml b/example-workflows/gke-kustomize/.github/workflows/gke-kustomize.yml
index cb04b03d..9c01b00c 100644
--- a/example-workflows/gke-kustomize/.github/workflows/gke-kustomize.yml
+++ b/example-workflows/gke-kustomize/.github/workflows/gke-kustomize.yml
@@ -33,15 +33,32 @@ jobs:
     name: Setup, Build, Publish, and Deploy
     runs-on: ubuntu-latest
 
+    # Add "id-token" with the intended permissions.
+    permissions:
+      contents: 'read'
+      id-token: 'write'
+
     steps:
     - name: Checkout
       uses: actions/checkout@v2
 
-    # Setup gcloud CLI
-    - uses: google-github-actions/setup-gcloud@master
+    # Configure Workload Identity Federation and generate an access token.
+    - id: 'auth'
+      name: 'Authenticate to Google Cloud'
+      uses: 'google-github-actions/auth@v0'
       with:
-        service_account_key: ${{ secrets.GKE_SA_KEY }}
-        project_id: ${{ secrets.GKE_PROJECT }}
+        workload_identity_provider: 'projects/123456789/locations/global/workloadIdentityPools/my-pool/providers/my-provider'
+        service_account: 'my-service-account@my-project.iam.gserviceaccount.com'
+
+    # Alternative option - authentication via credentials json
+    # - id: 'auth'
+    #   uses: 'google-github-actions/auth@v0'
+    #   with:
+    #     credentials_json: '${{ secrets.GCP_CREDENTIALS }}'
+
+    # Setup gcloud CLI
+    - name: Set up Cloud SDK
+      uses: google-github-actions/setup-gcloud@v0
 
     # Configure Docker to use the gcloud command-line tool as a credential
     # helper for authentication (https://cloud.google.com/artifact-registry/docs/docker/authentication)
diff --git a/example-workflows/gke/.github/workflows/gke.yml b/example-workflows/gke/.github/workflows/gke.yml
index b52b36ff..0390a94b 100644
--- a/example-workflows/gke/.github/workflows/gke.yml
+++ b/example-workflows/gke/.github/workflows/gke.yml
@@ -30,15 +30,32 @@ jobs:
     name: Setup and Deploy
     runs-on: ubuntu-latest
 
+    # Add "id-token" with the intended permissions.
+    permissions:
+      contents: 'read'
+      id-token: 'write'
+
     steps:
     - name: Checkout
       uses: actions/checkout@v2
 
-    # Setup gcloud CLI
-    - uses: google-github-actions/setup-gcloud@master
+    # Configure Workload Identity Federation and generate an access token.
+    - id: 'auth'
+      name: 'Authenticate to Google Cloud'
+      uses: 'google-github-actions/auth@v0'
       with:
-        service_account_key: ${{ secrets.GKE_SA_KEY }}
-        project_id: ${{ secrets.GKE_PROJECT }}
+        workload_identity_provider: 'projects/123456789/locations/global/workloadIdentityPools/my-pool/providers/my-provider'
+        service_account: 'my-service-account@my-project.iam.gserviceaccount.com'
+
+    # Alternative option - authentication via credentials json
+    # - id: 'auth'
+    #   uses: 'google-github-actions/auth@v0'
+    #   with:
+    #     credentials_json: '${{ secrets.GCP_CREDENTIALS }}'
+
+    # Setup gcloud CLI
+    - name: Set up Cloud SDK
+      uses: google-github-actions/setup-gcloud@v0
 
     # Get the GKE credentials so we can deploy to the cluster
     - run: |-