diff --git a/Gemfile.lock b/Gemfile.lock
index eb3f20ac..ec853c42 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -36,8 +36,8 @@ GEM
       tty-color (~> 0.5)
     plist (3.7.1)
     power_assert (2.0.3)
-    rake (13.1.0)
-    rdoc (6.3.3)
+    rake (13.0.6)
+    rdoc (6.3.4.1)
     redcarpet (3.6.0)
     rexml (3.2.6)
     rouge (4.2.0)