diff --git a/lerna.json b/lerna.json
index 8a5c2d3057125..b3a10278ccfd5 100644
--- a/lerna.json
+++ b/lerna.json
@@ -19,6 +19,7 @@
     "tools/@aws-cdk/lazify",
     "tools/@aws-cdk/lambda-integration-test-updater",
     "tools/@aws-cdk/construct-metadata-updater",
+    "tools/@aws-cdk/project-sync",
     "scripts/@aws-cdk/script-tests"
   ],
   "rejectCycles": true,
diff --git a/tools/@aws-cdk/project-sync/package.json b/tools/@aws-cdk/project-sync/package.json
index 9a6c2aade0fb3..a4f6bb9e5513e 100644
--- a/tools/@aws-cdk/project-sync/package.json
+++ b/tools/@aws-cdk/project-sync/package.json
@@ -18,8 +18,7 @@
   },
   "devDependencies": {
     "@aws-cdk/cdk-build-tools": "0.0.0",
-    "@jest/globals": "^30.0.0",
-    "exponential-backoff": "^3.1.2",
+    "exponential-backoff": "^3.1.1",
     "jest": "^29",
     "ts-jest": "^29.4.0",
     "typescript": "~5.5.4"