diff --git a/Gemfile.lock b/Gemfile.lock
index e251f19..0185ab7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    json (1.8.3)
+    json (2.3.0)
 
 PLATFORMS
   ruby