diff --git a/Gemfile.lock b/Gemfile.lock
index 5c590ea..7cae866 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -142,7 +142,7 @@ GEM
       method_source (~> 0.9.0)
     pry-rails (0.3.9)
       pry (>= 0.10.4)
-    puma (3.12.2)
+    puma (3.12.4)
     pusher-client (0.6.2)
       json
       websocket (~> 1.0)