diff --git a/Gemfile.lock b/Gemfile.lock
index 7e42701d..cb85f3ef 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -207,7 +207,7 @@ GEM
     pg (1.1.4)
     popper_js (1.14.5)
     public_suffix (4.0.1)
-    puma (3.12.1)
+    puma (3.12.4)
     rack (2.0.7)
     rack-cors (1.0.3)
     rack-proxy (0.6.4)