diff --git a/.projenrc.ts b/.projenrc.ts
index 7c3d1748..8063ea0d 100644
--- a/.projenrc.ts
+++ b/.projenrc.ts
@@ -9,6 +9,7 @@ const project = new typescript.TypeScriptProject({
   authorName: 'Amazon Web Services',
   authorUrl: 'https://aws.amazon.com',
   minNodeVersion: '18.12.0',
+  workflowNodeVersion: '18.x',
   keywords: [
     'aws-cdk',
     'continuous-delivery',