diff --git a/assets/service_broker/Gemfile.lock b/assets/service_broker/Gemfile.lock
index 42a4ed71b..734c0a638 100644
--- a/assets/service_broker/Gemfile.lock
+++ b/assets/service_broker/Gemfile.lock
@@ -3,7 +3,7 @@ GEM
   specs:
     base64 (0.2.0)
     diff-lcs (1.5.1)
-    json (2.7.6)
+    json (2.8.1)
     mustermann (3.0.0)
       ruby2_keywords (~> 0.0.1)
     rack (3.1.8)
diff --git a/assets/service_broker/vendor/cache/json-2.7.6.gem b/assets/service_broker/vendor/cache/json-2.7.6.gem
deleted file mode 100644
index aa867f44e..000000000
Binary files a/assets/service_broker/vendor/cache/json-2.7.6.gem and /dev/null differ
diff --git a/assets/service_broker/vendor/cache/json-2.8.1.gem b/assets/service_broker/vendor/cache/json-2.8.1.gem
new file mode 100644
index 000000000..ed6c549ee
Binary files /dev/null and b/assets/service_broker/vendor/cache/json-2.8.1.gem differ