diff --git a/packages/@aws-cdk/cfnspec/build-tools/create-missing-libraries.ts b/packages/@aws-cdk/cfnspec/build-tools/create-missing-libraries.ts
index 6c0ac50aa9ee9..3ce38691934f1 100644
--- a/packages/@aws-cdk/cfnspec/build-tools/create-missing-libraries.ts
+++ b/packages/@aws-cdk/cfnspec/build-tools/create-missing-libraries.ts
@@ -183,7 +183,7 @@ async function main() {
         '@aws-cdk/core': version,
       },
       engines: {
-        node: '>= 10.13.0 <13 || >=13.7.0',
+        node: '>= 14.15.0',
       },
       stability: 'experimental',
       maturity: 'cfn-only',