diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index a9bb3c897..7a02df9e0 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -216,6 +216,12 @@ jobs:
       - name: Run push-time tests
         run: make test
         env:
+          RUNTIME_CACHE_MODE: local
+          RUNTIME_CACHE_URL: redis://127.0.0.1:6379/0
+          RUNTIME_CACHE_URL_SECRET_RESOURCE: ""
+          RUNTIME_CACHE_CA_CERT_SECRET_RESOURCE: ""
+          RUNTIME_CACHE_ENVIRONMENT: test
+          RUNTIME_CACHE_SERVICE: api
           POLICYENGINE_DB_PASSWORD: ${{ secrets.POLICYENGINE_DB_PASSWORD }}
           POLICYENGINE_GITHUB_MICRODATA_AUTH_TOKEN: ${{ secrets.POLICYENGINE_GITHUB_MICRODATA_AUTH_TOKEN }}
           ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
diff --git a/changelog.d/staging-cache-test-environment.fixed.md b/changelog.d/staging-cache-test-environment.fixed.md
new file mode 100644
index 000000000..ed7c87204
--- /dev/null
+++ b/changelog.d/staging-cache-test-environment.fixed.md
@@ -0,0 +1 @@
+Fix the post-merge staging workflow so its predeployment test suite uses the local Redis service instead of inheriting managed-cache secret references.
diff --git a/tests/unit/test_cloud_run_deploy_scripts.py b/tests/unit/test_cloud_run_deploy_scripts.py
index 1216e4914..7e4a90d78 100644
--- a/tests/unit/test_cloud_run_deploy_scripts.py
+++ b/tests/unit/test_cloud_run_deploy_scripts.py
@@ -1727,6 +1727,23 @@ def test_push_workflow_tests_app_engine_and_cloud_run_staging_tracks():
     )
 
 
+def test_push_workflow_uses_local_redis_for_predeployment_test_suite():
+    staging = _workflow_job_block(_push_workflow(), "deploy-staging")
+    test_step_start = staging.index("- name: Run push-time tests")
+    test_step_end = staging.index(
+        "- name: Validate App Engine deployment configuration",
+        test_step_start,
+    )
+    test_step = staging[test_step_start:test_step_end]
+
+    assert "RUNTIME_CACHE_MODE: local" in test_step
+    assert "RUNTIME_CACHE_URL: redis://127.0.0.1:6379/0" in test_step
+    assert 'RUNTIME_CACHE_URL_SECRET_RESOURCE: ""' in test_step
+    assert 'RUNTIME_CACHE_CA_CERT_SECRET_RESOURCE: ""' in test_step
+    assert "RUNTIME_CACHE_ENVIRONMENT: test" in test_step
+    assert "RUNTIME_CACHE_SERVICE: api" in test_step
+
+
 def test_push_workflow_staging_fully_gates_all_production_deployments():
     workflow = _push_workflow()
     app_engine_candidate = _workflow_job_block(workflow, "deploy-production-candidate")