diff --git a/Gemfile.lock b/Gemfile.lock
index b42e040..d78395e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,7 +4,7 @@ GEM
     fakeweb (1.3.0)
     httparty (0.14.0)
       multi_xml (>= 0.5.2)
-    json (2.0.2)
+    json (2.3.0)
     minitest (5.10.1)
     multi_xml (0.6.0)
     rake (12.0.0)