diff --git a/packages/aws-cdk/test/integ/cli/app/app.js b/packages/aws-cdk/test/integ/cli/app/app.js
index f9f497b86a045..9c6fb9abef701 100755
--- a/packages/aws-cdk/test/integ/cli/app/app.js
+++ b/packages/aws-cdk/test/integ/cli/app/app.js
@@ -371,7 +371,7 @@ class BuiltinLambdaStack extends cdk.Stack {
 
 const app = new cdk.App({
   context: {
-    '@aws-cdk/core:assetHashSalt': `${Date.now()}`, // Force all assets to be unique
+    '@aws-cdk/core:assetHashSalt': process.env.CODEBUILD_BUILD_ID, // Force all assets to be unique, but consistent in one build
   },
 });