diff --git a/Gemfile.lock b/Gemfile.lock
index 7c3c1c0a6d..43ec58dc7d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -487,7 +487,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     public_suffix (5.0.3)
-    puma (6.3.1)
+    puma (6.4.0)
       nio4r (~> 2.0)
     query_count (1.1.1)
       activerecord (>= 4.2)