diff --git a/Gemfile.lock b/Gemfile.lock
index 09a9dcd..04ef223 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -25,7 +25,7 @@ GEM
     hiera (1.3.4)
       json_pure
     highline (1.6.21)
-    json (1.8.1)
+    json (2.7.2)
     json_pure (1.8.1)
     librarian (0.1.2)
       highline