diff --git a/Gemfile.lock b/Gemfile.lock
index e2562b9c..80defe79 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -288,7 +288,7 @@ GEM
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     public_suffix (5.0.3)
-    puma (6.3.1)
+    puma (6.4.0)
       nio4r (~> 2.0)
     pundit (2.3.1)
       activesupport (>= 3.0.0)