diff --git a/Gemfile.lock b/Gemfile.lock
index 63c17f6d9..166cedc2c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -335,7 +335,7 @@ GEM
     psych (5.1.2)
       stringio
     public_suffix (5.1.0)
-    puma (6.4.2)
+    puma (6.4.3)
       nio4r (~> 2.0)
     pundit (2.4.0)
       activesupport (>= 3.0.0)