diff --git a/sass-lint.yml b/sass-lint.yml
index 8c6b533..a6634fa 100644
--- a/sass-lint.yml
+++ b/sass-lint.yml
@@ -257,6 +257,7 @@ rules:
         - mask-position
         - mask-size
         - mask-repeat
+        - mask-mode
         - mask-type
         - mask-clip
         - object-position