diff --git a/Gemfile.lock b/Gemfile.lock
index 6a9b5f5..ed4604f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -97,7 +97,7 @@ GEM
       activesupport (>= 3.1)
     parallel (1.12.1)
     public_suffix (3.0.2)
-    puma (3.11.3)
+    puma (3.11.4)
     rack (1.6.10)
     rack-contrib (1.8.0)
       rack (~> 1.4)