diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index d2edd20a..41c145a1 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -55,7 +55,7 @@ GEM
     pathutil (0.16.1)
       forwardable-extended (~> 2.6)
     public_suffix (3.0.3)
-    rake (12.3.1)
+    rake (12.3.3)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)