diff --git a/template/gitignore b/template/gitignore
index 14a1171..14dc024 100644
--- a/template/gitignore
+++ b/template/gitignore
@@ -15,3 +15,9 @@
 npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
+
+#reason
+# see https://github.com/reasonml/reasonml.github.io/blob/e42d17ee53a058a6ce1efb00e6eba38326e47908/docs/converting-from-js.md#tips about ignoring lib
+lib/
+.merlin
+.bsb.lock