diff --git a/tests/serverspec/Gemfile.lock b/tests/serverspec/Gemfile.lock
index be0612c20..5481c20d4 100644
--- a/tests/serverspec/Gemfile.lock
+++ b/tests/serverspec/Gemfile.lock
@@ -6,7 +6,7 @@ GEM
       excon (>= 0.47.0)
       multi_json
     excon (0.81.0)
-    json (2.5.1)
+    json (3.1.0)
     multi_json (1.15.0)
     net-scp (3.0.0)
       net-ssh (>= 2.6.5, < 7.0.0)