diff --git a/etc/burn-in/Gemfile.lock b/etc/burn-in/Gemfile.lock
index 9e721c3..2ddb0b3 100644
--- a/etc/burn-in/Gemfile.lock
+++ b/etc/burn-in/Gemfile.lock
@@ -4,7 +4,7 @@ GEM
     colorize (0.6.0)
     influxdb (0.0.16)
       json
-    json (1.8.1)
+    json (2.3.1)
 
 PLATFORMS
   ruby