diff --git a/packages/@aws-cdk/cfnspec/.npmignore b/packages/@aws-cdk/cfnspec/.npmignore
index 673239340aba1..623692bba67de 100644
--- a/packages/@aws-cdk/cfnspec/.npmignore
+++ b/packages/@aws-cdk/cfnspec/.npmignore
@@ -12,3 +12,4 @@ test/
 jest.config.js
 **/*.integ.snapshot
 **/*.integ.snapshot
+coverage/