diff --git a/README.md b/README.md
index 79e874e..327b727 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ Latest versions:
 
 | Used tag | Effective version |
 | :---: | :---: |
-| `v2` | [`v2.1.0`](https://github.com/Materials-Consortia/optimade-validator-action/releases/tag/v2.1.0)
+| `v2` | [`v2.2.0`](https://github.com/Materials-Consortia/optimade-validator-action/releases/tag/v2.2.0)
 | `v1` | [`v1.2.0`](https://github.com/Materials-Consortia/optimade-validator-action/releases/tag/v1.2.0)
 
 ## Example usage