diff --git a/Gemfile.lock b/Gemfile.lock
index f424768..858b4b8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -12,7 +12,7 @@ GEM
     benchmark-ips (2.14.0)
     cgi (0.5.0)
     cgi (0.5.0-java)
-    connection_pool (2.5.3)
+    connection_pool (2.5.4)
     hiredis (0.6.3)
     hiredis (0.6.3-java)
     json (2.7.6)