diff --git a/Gemfile.lock b/Gemfile.lock
index c33c49a..bc57714 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -101,7 +101,7 @@ GEM
     http-cookie (1.0.3)
       domain_name (~> 0.5)
     httpclient (2.8.3)
-    json (2.1.0)
+    json (2.3.1)
     mediawiki_api (0.7.1)
       faraday (~> 0.9, >= 0.9.0)
       faraday-cookie_jar (~> 0.0, >= 0.0.6)