diff --git a/Gemfile.lock b/Gemfile.lock
index 4fabc36..755c871 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -39,7 +39,7 @@ GEM
     parallel (1.17.0)
     parser (2.6.3.0)
       ast (~> 2.4.0)
-    puma (3.11.4)
+    puma (3.12.3)
     rack (2.0.7)
     rack-flash3 (1.0.5)
       rack