diff --git a/tests/integration/testdata/invoke/cdk/python/aws-lambda-function/cdk.json b/tests/integration/testdata/invoke/cdk/python/aws-lambda-function/cdk.json
index 0ad9736f86..ff5bd91e35 100644
--- a/tests/integration/testdata/invoke/cdk/python/aws-lambda-function/cdk.json
+++ b/tests/integration/testdata/invoke/cdk/python/aws-lambda-function/cdk.json
@@ -1,5 +1,5 @@
 {
-  "app": "python3 app.py",
+  "app": "python app.py",
   "context": {
     "@aws-cdk/aws-apigateway:usagePlanKeyOrderInsensitiveId": true,
     "@aws-cdk/core:enableStackNameDuplicates": "true",