diff --git a/Gemfile.lock b/Gemfile.lock
index fb3b9b328..5cbd25baf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -138,7 +138,7 @@ GEM
     rainbow (3.0.0)
     rake (13.0.1)
     rchardet (1.8.0)
-    rdoc (6.3.2)
+    rdoc (6.3.4.1)
     reek (5.6.0)
       codeclimate-engine-rb (~> 0.4.0)
       kwalify (~> 0.7.0)