diff --git a/Gemfile.lock b/Gemfile.lock
index 68a81ffd74..8e8556782a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -710,7 +710,7 @@ GEM
       eventmachine_httpserver
       http_parser.rb (~> 0.6.0)
       multi_json
-    puma (4.3.3)
+    puma (4.3.5)
       nio4r (~> 2.0)
     rack (2.2.2)
     rack-accept (0.4.5)