diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
index e482610..92e0f70 100644
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -66,7 +66,7 @@ runtime in order to build packer with the Oneandone plugin.
 
 1. This project always releases from the latest version of golang.
 [Install go](https://golang.org/doc/install#install) To properly build from
-source, you need to have golang >= 1.20
+source, you need to have golang >= 1.21
 
 ## Setting up Oneandone plugin for dev