diff --git a/Gemfile.lock b/Gemfile.lock
index 1418455..cd388ae 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -18,7 +18,7 @@ GEM
     faraday_middleware (1.0.0)
       faraday (~> 1.0)
     jaro_winkler (1.5.2)
-    json (2.2.0)
+    json (2.3.1)
     metaclass (0.0.4)
     method_source (0.8.2)
     mocha (1.8.0)