diff --git a/Gemfile.lock b/Gemfile.lock
index 0f04219..60289d0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -125,7 +125,7 @@ GEM
     postgresql (1.0.0)
       pg
     public_suffix (3.0.3)
-    puma (3.12.3)
+    puma (3.12.4)
     rack (2.0.6)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)