diff --git a/Gemfile.lock b/Gemfile.lock
index 38c3e60..a6b3763 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,7 +9,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     coderay (1.1.3)
-    connection_pool (2.3.0)
+    connection_pool (2.4.1)
     diff-lcs (1.5.0)
     docile (1.4.0)
     fivemat (1.3.7)