diff --git a/integration_tests/cdk/app.py b/integration_tests/cdk/app.py
index e647d90..72cb6fc 100644
--- a/integration_tests/cdk/app.py
+++ b/integration_tests/cdk/app.py
@@ -140,13 +140,13 @@ def __init__(
 
 app_config = build_app_config()
 
-vpc_stack = VpcStack(scope=app, app_config=app_config, id=f"{app_config.build_service_name('vpc')}-{timestamp}")
+vpc_stack = VpcStack(scope=app, app_config=app_config, id=f"{app_config.build_service_name('vpc')}")
 
 pgstac_infra_stack = pgStacInfraStack(
     scope=app,
     vpc=vpc_stack.vpc,
     app_config=app_config,
-    id=f"{app_config.build_service_name('pgstac')}-{timestamp}"
+    id=f"{app_config.build_service_name('pgstac')}"
 )
 
 app.synth()