diff --git a/Gemfile.lock b/Gemfile.lock
index 9f7b795..18339e0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -239,7 +239,7 @@ GEM
       zeitwerk (~> 2.6)
     rake (13.1.0)
     rb_sys (0.9.88)
-    rdoc (6.6.2)
+    rdoc (6.6.3.1)
       psych (>= 4.0.0)
     react-rails (3.2.0)
       babel-transpiler (>= 0.7.0)