diff --git a/admin/.gitignore b/admin/.gitignore
index fae983383..8652ac2ae 100644
--- a/admin/.gitignore
+++ b/admin/.gitignore
@@ -23,3 +23,4 @@ BUILD_NUMBER
 # Gemfile.lock
 Gemfile.alt.lock
 .byebug_history
+.ruby-version