diff --git a/Gemfile.lock b/Gemfile.lock
index 8682de8..85cc924 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -33,7 +33,7 @@ GEM
     guard-rubocop (1.5.0)
       guard (~> 2.0)
       rubocop (< 2.0)
-    json (2.9.0)
+    json (2.9.1)
     language_server-protocol (3.17.0.3)
     listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)