diff --git a/pkgs/package_config/.gitignore b/pkgs/package_config/.gitignore
index 4b1d878..3b32e38 100644
--- a/pkgs/package_config/.gitignore
+++ b/pkgs/package_config/.gitignore
@@ -1,5 +1,5 @@
 .packages
-.dart_tool
+.dart_tool/
 packages
 pubspec.lock
 doc/api/