diff --git a/Gemfile.lock b/Gemfile.lock
index 0b762329a..9534d401f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -659,7 +659,7 @@ GEM
       unicode-display_width (>= 1.4.0, < 3.0)
     rubocop-ast (1.10.0)
       parser (>= 3.0.1.1)
-    rubocop-performance (1.11.4)
+    rubocop-performance (1.11.5)
       rubocop (>= 1.7.0, < 2.0)
       rubocop-ast (>= 0.4.0)
     rubocop-rails (2.11.3)
diff --git a/vendor/cache/rubocop-performance-1.11.4.gem b/vendor/cache/rubocop-performance-1.11.4.gem
deleted file mode 100644
index 81093d8f0..000000000
Binary files a/vendor/cache/rubocop-performance-1.11.4.gem and /dev/null differ
diff --git a/vendor/cache/rubocop-performance-1.11.5.gem b/vendor/cache/rubocop-performance-1.11.5.gem
new file mode 100644
index 000000000..86aeeb8e1
Binary files /dev/null and b/vendor/cache/rubocop-performance-1.11.5.gem differ