diff --git a/rails_projects/first_app/Gemfile.lock b/rails_projects/first_app/Gemfile.lock
index 1bfb908..c341570 100644
--- a/rails_projects/first_app/Gemfile.lock
+++ b/rails_projects/first_app/Gemfile.lock
@@ -73,7 +73,7 @@ GEM
       activesupport (= 4.0.5)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (10.4.2)
+    rake (12.3.3)
     rdoc (3.12.2)
       json (~> 1.4)
     sass (3.2.19)