diff --git a/packages/aws-cdk-lib/cloud-assembly-schema/scripts/update-schema.ts b/packages/aws-cdk-lib/cloud-assembly-schema/scripts/update-schema.ts
index 13a410cd4a36f..14dc45877c292 100644
--- a/packages/aws-cdk-lib/cloud-assembly-schema/scripts/update-schema.ts
+++ b/packages/aws-cdk-lib/cloud-assembly-schema/scripts/update-schema.ts
@@ -59,6 +59,7 @@ export function generateSchema(schemaName: string, saveToFile: boolean = true) {
     topRef: true,
     noExtraProps: false,
     out,
+    skipLibCheck: true,
   };
 
   const compilerOptions = {