diff --git a/Gemfile.lock b/Gemfile.lock
index 450177e..28b2d67 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,7 +9,7 @@ GEM
     faraday (0.9.0)
       multipart-post (>= 1.2, < 3)
     httpclient (2.4.0)
-    json (1.8.1)
+    json (2.3.0)
     method_source (0.8.2)
     multipart-post (2.0.0)
     pry (0.10.0)