diff --git a/ts-client/README.md b/ts-client/README.md
index 32bc50d6..7074e83f 100644
--- a/ts-client/README.md
+++ b/ts-client/README.md
@@ -22,7 +22,7 @@ Discord: https://discord.com/channels/841152225564950528/864859354335412224
 1. Install deps
 
 ```
-npm i @mercurial-finance/dynamic-amm-sdk @project-serum/anchor @solana/web3.js @solana/spl-token @solana/spl-token-registry
+npm i @mercurial-finance/dynamic-amm-sdk @project-serum/anchor @solana/web3.js@1 @solana/spl-token @solana/spl-token-registry
 ```
 
 2. Initialize AmmImpl instance