diff --git a/Gemfile.lock b/Gemfile.lock
index 6b160de..5b9b8a2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -207,7 +207,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     public_suffix (3.0.2)
-    puma (3.11.3)
+    puma (3.11.4)
     rack (2.0.4)
     rack-test (0.8.2)
       rack (>= 1.0, < 3)