diff --git a/experimental/babel-preset-env/.npmignore b/experimental/babel-preset-env/.npmignore
index 9f0a3fbddf..e3f640a01d 100644
--- a/experimental/babel-preset-env/.npmignore
+++ b/experimental/babel-preset-env/.npmignore
@@ -1,6 +1,7 @@
 coverage
 src
 test
+lib/types.js
 node_modules
 scripts
 .eslintignore