diff --git a/Gemfile.lock b/Gemfile.lock
index 9512f7e..64546e5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -173,7 +173,7 @@ 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-test (1.1.0)
       rack (>= 1.0, < 3)