diff --git a/Gemfile.lock b/Gemfile.lock
index 2e0084f..a2a2b27 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -91,7 +91,7 @@ GEM
       racc
     pg (1.5.3)
     public_suffix (5.0.3)
-    puma (6.3.0)
+    puma (6.3.1)
       nio4r (~> 2.0)
     racc (1.7.1)
     rack (3.0.8)