diff --git a/Gemfile.lock b/Gemfile.lock
index 27ef23b..80040de 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -90,7 +90,7 @@ GEM
     parallel (1.19.1)
     parser (2.6.5.0)
       ast (~> 2.4.0)
-    puma (3.12.2)
+    puma (3.12.4)
     rack (2.0.7)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)