diff --git a/.github/workflows/mmtk-builder.yml b/.github/workflows/mmtk-builder.yml
index 1ce4d7d..9fc5003 100644
--- a/.github/workflows/mmtk-builder.yml
+++ b/.github/workflows/mmtk-builder.yml
@@ -10,11 +10,11 @@ on:
         default: ubuntu
 
       mmtk_plan:
-        require: true
+        required: true
         default: MarkSweep
 
       mmtk_build:
-        require: true
+        required: true
         default: release
 
 jobs: