diff --git a/.github/trigger_files/beam_PostCommit_Python.json b/.github/trigger_files/beam_PostCommit_Python.json
index 9bfa92ff5106..9f1daca01a0f 100644
--- a/.github/trigger_files/beam_PostCommit_Python.json
+++ b/.github/trigger_files/beam_PostCommit_Python.json
@@ -1,5 +1,5 @@
 {
   "comment": "Modify this file in a trivial way to cause this test suite to run.",
   "pr": "40139",
-  "modification": 59
+  "modification": 60
 }
diff --git a/.github/workflows/beam_PostCommit_Python.yml b/.github/workflows/beam_PostCommit_Python.yml
index f9df7e2583ea..cc366d06724c 100644
--- a/.github/workflows/beam_PostCommit_Python.yml
+++ b/.github/workflows/beam_PostCommit_Python.yml
@@ -95,6 +95,25 @@ jobs:
           PY_VER=${{ matrix.python_version }}
           PY_VER_CLEAN=${PY_VER//.}
           echo "py_ver_clean=$PY_VER_CLEAN" >> $GITHUB_OUTPUT
+      - name: Authenticate on GCP
+        id: auth
+        uses: google-github-actions/auth@7c6bc770dae815cd3e89ee6cdf493a5fab2cc093
+        with:
+          service_account: ${{ secrets.GCP_SA_EMAIL }}
+          credentials_json: ${{ secrets.GCP_SA_KEY }}
+      - name: Set up Cloud SDK
+        uses: google-github-actions/setup-gcloud@aa5489c8933f4cc7a4f7d45035b3b1440c9c10db
+      - name: Activate service account in runner gcloud config
+        env:
+          CLOUDSDK_CONFIG: ${{ env.KUBELET_GCLOUD_CONFIG_PATH}}
+        run: |
+          mkdir -p "$CLOUDSDK_CONFIG"
+          cp "${{ steps.auth.outputs.credentials_file_path }}" \
+              "$CLOUDSDK_CONFIG/application_default_credentials.json"
+          gcloud auth activate-service-account \
+              "${{ secrets.GCP_SA_EMAIL }}" \
+              --key-file="${{ steps.auth.outputs.credentials_file_path }}"
+          gcloud config set project apache-beam-testing
       - name: run PostCommit Python ${{ matrix.python_version }} script
         uses: ./.github/actions/gradle-command-self-hosted-action
         with:
diff --git a/sdks/python/apache_beam/examples/complete/game/leader_board_it_test.py b/sdks/python/apache_beam/examples/complete/game/leader_board_it_test.py
index 4cc13171fe92..8c1292af3db0 100644
--- a/sdks/python/apache_beam/examples/complete/game/leader_board_it_test.py
+++ b/sdks/python/apache_beam/examples/complete/game/leader_board_it_test.py
@@ -124,7 +124,10 @@ def test_leader_board_it(self):
             self.OUTPUT_TABLE_USERS,
             success_condition))
     bq_users_verifier = BigqueryMatcher(
-        self.project, users_query, self.DEFAULT_EXPECTED_CHECKSUM)
+        self.project,
+        users_query,
+        self.DEFAULT_EXPECTED_CHECKSUM,
+        timeout_secs=300)
 
     teams_query = (
         'SELECT total_score FROM `%s.%s.%s` '
@@ -134,7 +137,10 @@ def test_leader_board_it(self):
             self.OUTPUT_TABLE_TEAMS,
             success_condition))
     bq_teams_verifier = BigqueryMatcher(
-        self.project, teams_query, self.DEFAULT_EXPECTED_CHECKSUM)
+        self.project,
+        teams_query,
+        self.DEFAULT_EXPECTED_CHECKSUM,
+        timeout_secs=300)
 
     extra_opts = {
         'allow_unsafe_triggers': True,