diff --git a/_config.yml b/_config.yml
index 5327be6..94209fb 100644
--- a/_config.yml
+++ b/_config.yml
@@ -11,6 +11,8 @@ exclude:
   - LICENSE.md
   - README.md
 
+strict_front_matter: true
+
 liquid:
   error_mode: strict
   strict_filters: true