diff --git a/README.md b/README.md
index acd5e852e2586484dc63cdaf8b84ce06ad8f1bd9..5e4ffd33d51bcecc1042e1f36ab83b81974f3e0b 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,8 @@ or even used the project work.
 
 #### Prerequisites:
 
-* Go toolchain (install via system package manager or [by hand](https://go.dev/doc/install))
+* minimal [required version](./go.mod#L3) of the Go toolchain (install via
+  system package manager or [by hand](https://go.dev/doc/install))
 * [optional] [Redis](https://redis.io/docs/install/) to persist state