diff --git a/Gemfile.lock b/Gemfile.lock
index ce21bc0a2..4955e8283 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -513,7 +513,7 @@ GEM
       premailer (~> 1.7, >= 1.7.9)
     private_address_check (0.5.0)
     public_suffix (5.0.3)
-    puma (6.3.1)
+    puma (6.4.0)
       nio4r (~> 2.0)
     pundit (2.3.0)
       activesupport (>= 3.0.0)