diff --git a/action.yml b/action.yml
index 3c0ecb0..0405e1c 100644
--- a/action.yml
+++ b/action.yml
@@ -18,6 +18,7 @@ inputs:
   include-prerelease:
     description: 'Whether prerelease versions should be matched with non-exact versions (for example 5.0.0-preview.6 being matched by 5, 5.0, 5.x or 5.0.x). Defaults to false if not provided.'
     required: False
+    default: 'false'
 runs:
   using: 'node16'
   main: 'dist/index.js'