diff --git a/Gemfile.lock b/Gemfile.lock
index 9b89349..0303a62 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -75,7 +75,7 @@ GEM
       rake
       rdoc
       semver
-    json (2.0.2)
+    json (2.3.1)
     jwt (1.5.6)
     kontoapi-ruby (0.4.0)
       addressable (~> 2.3, >= 2.3.7)