diff --git a/Gemfile.lock b/Gemfile.lock
index a9c660659..e4cace317 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -194,6 +194,7 @@ GEM
     zlib (3.2.3)
 
 PLATFORMS
+  ruby
 
 DEPENDENCIES
   abbrev