diff --git a/Gemfile.lock b/Gemfile.lock
index 90556c0..f0d0565 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -251,7 +251,7 @@ GEM
     nokogiri (1.8.2)
       mini_portile2 (~> 2.3.0)
     owlcarousel-rails (2.2.3.5)
-    puma (3.6.2)
+    puma (3.12.4)
     rack (2.0.1)
     rack-test (0.6.3)
       rack (>= 1.0)