diff --git a/config/staging/config.toml b/config/staging/config.toml
index 7202858..6e01ae2 100644
--- a/config/staging/config.toml
+++ b/config/staging/config.toml
@@ -12,5 +12,5 @@ theme = "angels-ladder"
   analytics = "UA-57665492-1"
   copyright = "Written by Kazuhiro MUSASHI"
 
-[markup.goldmark.renderer]
-  unsafe = true
+[markup]
+  defaultMarkdownHandler = "blackfriday"