diff --git a/Gemfile.lock b/Gemfile.lock
index 5e8083f6..01aa5ebb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -221,7 +221,7 @@ GEM
       zeitwerk (~> 2.6)
     rainbow (3.1.1)
     rake (13.1.0)
-    rdoc (6.6.0)
+    rdoc (6.6.1)
       psych (>= 4.0.0)
     regexp_parser (2.8.3)
     reline (0.4.1)