diff --git a/Gemfile.lock b/Gemfile.lock
index baae8df..3f9a2b0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -222,7 +222,7 @@ GEM
       websocket-driver (>= 0.2.0)
     popper_js (2.11.6)
     public_suffix (4.0.7)
-    puma (6.3.0)
+    puma (6.3.1)
       nio4r (~> 2.0)
     racc (1.6.2)
     rack (2.2.6.4)