diff --git a/Gemfile.lock b/Gemfile.lock
index 07bac47..c58e7cf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -115,7 +115,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     public_suffix (3.1.1)
-    puma (3.12.2)
+    puma (3.12.4)
     rack (2.0.7)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)