diff --git a/Gemfile.lock b/Gemfile.lock
index d550d9d..7793c58 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -219,7 +219,7 @@ GEM
       rubocop-ast (>= 1.15.1, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.15.1)
+    rubocop-ast (1.15.2)
       parser (>= 3.0.1.1)
     rubocop-rails (2.13.2)
       activesupport (>= 4.2.0)