diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b38ae58dd..82c86875a 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -17,6 +17,7 @@ repos:
       - id: check-executables-have-shebangs
         exclude: ^test/t/lang\.rb$
       - id: check-merge-conflict
+      - id: check-shebang-scripts-are-executable
       - id: check-vcs-permalinks
       - id: check-yaml
       - id: detect-private-key
diff --git a/mrbgems/mruby-bin-config/mruby-config b/mrbgems/mruby-bin-config/mruby-config
old mode 100644
new mode 100755