diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3251b6ddf5..515473b052 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -10,9 +10,11 @@ on:
       release_branch_prefix:
         description: "Release branch prefix (e.g. `test-release`)"
         default: "test-release"
+        type: string
       tag_prefix:
         description: "Tag prefix (e.g. `test-`)"
         default: "test-"
+        type: string
 
   workflow_dispatch:
     inputs: