diff --git a/Gemfile.lock b/Gemfile.lock
index 588d28e6..fca2f04e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -166,7 +166,7 @@ GEM
       racc (~> 1.4)
     popper_js (1.16.1)
     public_suffix (5.0.3)
-    puma (6.3.1)
+    puma (6.4.0)
       nio4r (~> 2.0)
     racc (1.7.1)
     rack (2.2.8)