diff --git a/Gemfile.lock b/Gemfile.lock
index ad36d4e..b5767b6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -239,7 +239,7 @@ GEM
     psych (5.2.0)
       stringio
     public_suffix (6.0.1)
-    puma (6.4.3)
+    puma (6.6.0)
       nio4r (~> 2.0)
     pundit (2.4.0)
       activesupport (>= 3.0.0)