diff --git a/action.yml b/action.yml
index e768580..c300981 100644
--- a/action.yml
+++ b/action.yml
@@ -7,6 +7,7 @@ branding:
 inputs:
   deno-version:
     description: The Deno version to install. Can be a semver version of a stable release, "canary" for the latest canary, or the Git hash of a specific canary release.
+    default: "1.x"
   deno-version-file:
     description: File containing the Deno version to install such as .dvmrc or .tool-versions. Overridden by deno-version.
 outputs: