diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index a7a490d..0455e7b 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -44,15 +44,16 @@ jobs:
           deactivate
           cd -
 
-      # we'll use that to name the stack
-      - name: Get branch names
-        id: branch-names
-        uses: tj-actions/branch-names@v8
+      # use short commit SHA to name stacks
+      - uses: benjlevesque/short-sha@v3.0
+        id: short-sha
+        with:
+          length: 6
 
       - name: Deploy test stack
         id: deploy_step
         env:
-          PROJECT_ID: ${{ steps.branch-names.outputs.current_branch }}
+          PROJECT_ID: ${{ steps.short-sha.outputs.sha }}
         run: |
           source .deployment_venv/bin/activate
           
@@ -68,7 +69,7 @@ jobs:
       - name: Tear down any infrastructure
         if: always()
         env:
-          PROJECT_ID: ${{ steps.branch-names.outputs.current_branch }}
+          PROJECT_ID: ${{ steps.short-sha.outputs.sha }}
         run: |
           cd integration_tests/cdk
           # run this only if we find a 'cdk.out' directory, which means there might be things to tear down
diff --git a/integration_tests/cdk/app.py b/integration_tests/cdk/app.py
index c7dbcbe..da66306 100644
--- a/integration_tests/cdk/app.py
+++ b/integration_tests/cdk/app.py
@@ -3,7 +3,8 @@
     Stack,
     aws_ec2,
     aws_rds,
-    App
+    App,
+    RemovalPolicy
 )
 from constructs import Construct
 from eoapi_cdk import (
@@ -86,7 +87,8 @@ def __init__(
                 subnet_type=aws_ec2.SubnetType.PUBLIC,
             ),
             allocated_storage=app_config.db_allocated_storage,
-            instance_type=aws_ec2.InstanceType(app_config.db_instance_type)
+            instance_type=aws_ec2.InstanceType(app_config.db_instance_type),
+            removal_policy=RemovalPolicy.DESTROY
         )
 
         pgstac_db.db.connections.allow_default_port_from_any_ipv4()
@@ -136,11 +138,11 @@ def __init__(
 
 app_config = build_app_config()
 
-vpc_stack_id = f"{app_config.build_service_name('vpc')}".replace('/','')
+vpc_stack_id = f"vpc{app_config.project_id}"
 
 vpc_stack = VpcStack(scope=app, app_config=app_config, id=vpc_stack_id)
 
-pgstac_infra_stack_id = f"{app_config.build_service_name('pgstac')}".replace('/','')
+pgstac_infra_stack_id = f"pgstac{app_config.project_id}"
 
 pgstac_infra_stack = pgStacInfraStack(
     scope=app,
diff --git a/integration_tests/cdk/package-lock.json b/integration_tests/cdk/package-lock.json
index 5fa908a..50ea4e4 100644
--- a/integration_tests/cdk/package-lock.json
+++ b/integration_tests/cdk/package-lock.json
@@ -12,9 +12,9 @@
             }
         },
         "node_modules/aws-cdk": {
-            "version": "2.128.0",
-            "resolved": "https://registry.npmjs.org/aws-cdk/-/aws-cdk-2.128.0.tgz",
-            "integrity": "sha512-epOAr/0WKqmyaKqBc7N0Ky5++93pu+v6yVN9jNOa4JYkAkGbeTS3vR9bj/W0o94jnlgWevG3HNHr83jtRvw/4A==",
+            "version": "2.129.0",
+            "resolved": "https://registry.npmjs.org/aws-cdk/-/aws-cdk-2.129.0.tgz",
+            "integrity": "sha512-Gh/dG2aY0cvlLumYUXalg28/knVI/TrN6NZMBpRWe4gGJe/RH5JROIVB2GOEMMajkew9EiFH0ZeoC+pQ57diaQ==",
             "bin": {
                 "cdk": "bin/cdk"
             },