diff --git a/.github/workflows/build-verify.yml b/.github/workflows/build-verify.yml
index 29ef2a83..764534f6 100644
--- a/.github/workflows/build-verify.yml
+++ b/.github/workflows/build-verify.yml
@@ -15,6 +15,7 @@ on:
   workflow_dispatch:
     inputs:
       runner-type:
+        type: choice
         description: 'The type of runner to use'
         required: true
         default: 'ubuntu-20.04'