diff --git a/Gemfile.lock b/Gemfile.lock
index 5ae21df8..ba2d1ef2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -286,6 +286,7 @@ GEM
 
 PLATFORMS
   ruby
+  x86_64-linux
 
 DEPENDENCIES
   RedCloth (~> 4.2)