diff --git a/Gemfile.lock b/Gemfile.lock
index 683e716..4189991 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -89,7 +89,7 @@ GEM
     pg (1.1.4)
     popper_js (1.14.5)
     public_suffix (4.0.1)
-    puma (3.12.2)
+    puma (3.12.4)
     rack (2.0.8)
     rack-proxy (0.6.5)
       rack