diff --git a/README.md b/README.md
index afc99c3..25ee132 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,19 @@
Official CloudEvents' SDK for JavaScript.
-
+
+
+## Versioning
+
+__Before Spec reaches 1.0__
+
+- `0.x.p`: `x` relates to spec version and `p` relates to fixes or patches, see
+[semver](https://semver.org/)
+
+__After Spec reaches 1.0__
+
+- `x.M.p`: `x` relates to spec version, `M` relates to minor and `p` relates
+to fixes or patches. See [semver](https://semver.org/)
## Installation