diff --git a/Gemfile.lock b/Gemfile.lock
index 148df35..eda0dfd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,7 +6,7 @@ GEM
       excon (>= 0.38.0)
       json
     excon (0.59.0)
-    json (2.1.0)
+    json (2.3.1)
     multi_json (1.12.2)
     net-scp (1.2.1)
       net-ssh (>= 2.6.5)