diff --git a/Gemfile.lock b/Gemfile.lock
index bbb4994..2a03286 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -122,7 +122,7 @@ GEM
       mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
     pg (0.18.4)
-    puma (3.12.1)
+    puma (3.12.4)
     rack (2.0.7)
     rack-cors (1.0.3)
     rack-test (1.1.0)