diff --git a/Gemfile.lock b/Gemfile.lock
index dbb1bed..02a58d3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,7 +11,7 @@ GEM
     benchmark (0.4.0)
     benchmark-ips (2.14.0)
     byebug (11.1.3)
-    connection_pool (2.4.1)
+    connection_pool (2.5.0)
     hiredis (0.6.3)
     hiredis (0.6.3-java)
     json (2.7.6)