diff --git a/_plugins/gemfile_lock_check.rb b/_plugins/gemfile_lock_check.rb
new file mode 100644
index 0000000..7674f10
--- /dev/null
+++ b/_plugins/gemfile_lock_check.rb
@@ -0,0 +1,9 @@
+if `git status -s`.include?('Gemfile.lock')
+  abort <<-COMMIT_CHANGES
+  #################################################
+  #                                               #
+  #   Please commit the changes to Gemfile.lock   #
+  #                                               #
+  #################################################
+  COMMIT_CHANGES
+end