diff --git a/Gemfile.lock b/Gemfile.lock
index dc3638fd4..78a69269b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -382,7 +382,7 @@ GEM
       activesupport (>= 5.2.1)
       i18n
       polyamorous (= 2.3.2)
-    rdoc (6.2.1)
+    rdoc (6.3.2)
     redcarpet (3.5.0)
     ref (2.0.0)
     remotipart (1.4.4)