diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index 4556ca2b6d..b181458d34 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -10,7 +10,7 @@ GEM
     ast (2.4.0)
     byebug (11.1.3)
     concurrent-ruby (1.1.6)
-    connection_pool (2.2.2)
+    connection_pool (2.2.3)
     coveralls (0.8.23)
       json (>= 1.8, < 3)
       simplecov (~> 0.16.1)