diff --git a/Gemfile.lock b/Gemfile.lock
index 459380bf..d42567d8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -299,7 +299,7 @@ GEM
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     rchardet (1.8.0)
-    rdoc (6.3.0)
+    rdoc (6.3.2)
     regexp_parser (2.0.3)
     responders (2.4.1)
       actionpack (>= 4.2.0, < 6.0)