diff --git a/docs/guides/join_network.md b/docs/guides/join_network.md
index 12ede037..e2ac886d 100644
--- a/docs/guides/join_network.md
+++ b/docs/guides/join_network.md
@@ -13,6 +13,7 @@ This document outlines the steps to join the public testnet hosted by [Chainsafe
     ```bash
     git clone https://github.com/cosmos/ethermint
     cd ethermint
+    git checkout v0.3.1
     make install
     ```