diff --git a/Gemfile.lock b/Gemfile.lock
index 43c7bb67..bd0d7f89 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -135,7 +135,7 @@ GEM
       net-pop
       net-smtp
     marcel (1.2.1)
-    mcp (1.3.0)
+    mcp (1.4.0)
       json_schemer (>= 2.4)
     mini_mime (1.1.5)
     mini_portile2 (2.8.9)