diff --git a/Gemfile.lock b/Gemfile.lock
index 94be963..bd049ff 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -179,7 +179,7 @@ GEM
       slack-notifier
       thor
       toml
-    puma (3.12.2)
+    puma (3.12.4)
     puma_worker_killer (0.1.1)
       get_process_mem (~> 0.2)
       puma (>= 2.7, < 5)