diff --git a/Gemfile.lock b/Gemfile.lock
index 26dbad0..cc3be55 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -304,7 +304,7 @@ GEM
       json (>= 1, < 3)
     pg (1.1.4)
     public_suffix (4.0.1)
-    puma (3.12.3)
+    puma (3.12.4)
     rack (2.0.8)
     rack-cors (1.1.0)
       rack (>= 2.0.0)