diff --git a/Gemfile.lock b/Gemfile.lock
index 7f4a28cb3a..932f070117 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -492,7 +492,7 @@ GEM
     psych (5.1.2)
       stringio
     public_suffix (5.0.4)
-    puma (6.4.1)
+    puma (6.4.2)
       nio4r (~> 2.0)
     query_count (1.1.1)
       activerecord (>= 4.2)