diff --git a/README.md b/README.md
index 41c5050236..286f42cf5e 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ For prerequisites and detailed build instructions please read the
 [Installation Instructions](https://github.com/ethereum/go-ethereum/wiki/Building-Ethereum)
 on the wiki.
 
-Building geth requires both a Go (version 1.7 or later) and a C compiler.
+Building geth requires both a Go (version 1.9 or later) and a C compiler.
 You can install them using your favourite package manager.
 Once the dependencies are installed, run