diff --git a/Gemfile.lock b/Gemfile.lock
index 519139a..7f66479 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -60,7 +60,7 @@ GEM
     rack (2.2.3)
     rake (13.0.1)
     rchardet (1.8.0)
-    rdoc (6.2.1)
+    rdoc (6.3.2)
     redcarpet (3.5.0)
     rspec (2.99.0)
       rspec-core (~> 2.99.0)