diff --git a/Gemfile.lock b/Gemfile.lock
index 6f60514f0..2a70a27a4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -67,7 +67,7 @@ GEM
     cocoapods-try (1.2.0)
     colored2 (3.1.2)
     concurrent-ruby (1.3.5)
-    connection_pool (2.5.2)
+    connection_pool (2.5.3)
     drb (2.2.1)
     escape (0.0.4)
     ethon (0.16.0)