diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 7510475..736c66c 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -162,7 +162,7 @@ jobs:
 
           kubectl --kubeconfig "$KUBECONFIG" --namespace "$DEPLOY_NAMESPACE" patch configmap buzz-sheet-config \
             --type=merge \
-            --patch "{\"data\":{\"NEXT_DEPLOYMENT_ID\":\"$REVISION\"}}"
+            --patch "{\"data\":{\"NEXT_DEPLOYMENT_ID\":\"$REVISION\",\"BASE_URL\":\"$BASE_URL\"}}"
           kubectl --kubeconfig "$KUBECONFIG" --namespace "$DEPLOY_NAMESPACE" set image \
             deployment/buzz-sheet \
             app="$REGISTRY_IMAGE:$REVISION"
diff --git a/tests/deployment-contract.test.ts b/tests/deployment-contract.test.ts
index 18e5c44..f471b99 100644
--- a/tests/deployment-contract.test.ts
+++ b/tests/deployment-contract.test.ts
@@ -106,6 +106,7 @@ describe("production deployment contract", () => {
     expect(workflow).toContain("kubectl kustomize k8s/");
     expect(workflow).toContain("--target app");
     expect(workflow).toContain('--build-arg BASE_URL="$BASE_URL"');
+    expect(workflow).toContain('\\"BASE_URL\\":\\"$BASE_URL\\"');
     expect(workflow).toContain("--target migration");
     expect(workflow).not.toContain("platforms: linux/arm64");
     expect(workflow).not.toMatch(/docker\/setup-qemu-action|docker\/setup-buildx-action|docker\/login-action/iu);