diff --git a/README.md b/README.md
index 0774c7f..25a3bb1 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,8 @@ The V2 offers:
 
 It will first check the local cache for a version match. If version is not found locally, It will pull it from `main` branch of [go-versions](https://github.com/actions/go-versions/blob/main/versions-manifest.json) repository and on miss or failure, it will fall back to the previous behavior of download directly from [go dist](https://storage.googleapis.com/golang).
 
+Defaults to 1.17.2.
+
 Matching by semver spec:
 ```yaml
 steps: