diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index a03267bd92..a1042960a1 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -54,7 +54,7 @@ All our issues are regularly tagged so that you can also filter down the issues
 
 ## Dependency management
 
-The Prometheus project uses [Go modules](https://golang.org/cmd/go/#hdr-Modules__module_versions__and_more) to manage dependencies on external packages. This requires a working Go environment with version 1.11 or greater installed.
+The Prometheus project uses [Go modules](https://golang.org/cmd/go/#hdr-Modules__module_versions__and_more) to manage dependencies on external packages. This requires a working Go environment with version 1.12 or greater installed.
 
 All dependencies are vendored in the `vendor/` directory.