diff --git a/Gemfile.lock b/Gemfile.lock
index bcaa118..44ce434 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,7 +8,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     bump (0.5.3)
-    json (2.0.2)
+    json (2.5.1)
     rake (11.3.0)
 
 PLATFORMS