diff --git a/docs/support/scripts/Gemfile.lock b/docs/support/scripts/Gemfile.lock
index 2e1e038db1..19c6f64404 100644
--- a/docs/support/scripts/Gemfile.lock
+++ b/docs/support/scripts/Gemfile.lock
@@ -50,7 +50,7 @@ GEM
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rdoc (6.2.1)
+    rdoc (6.3.1)
     redcarpet (3.5.0)
     ref (2.0.0)
     rexml (3.2.4)