diff --git a/Gemfile.lock b/Gemfile.lock
index d1265f8..f54dfb1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -26,7 +26,7 @@ GEM
     hiera (1.2.1)
       json_pure
     highline (1.6.19)
-    json (1.8.0)
+    json (2.3.1)
     json_pure (1.8.0)
     librarian-puppet (0.9.10)
       json