diff --git a/README.md b/README.md
index 135e5b8..8cea6c8 100644
--- a/README.md
+++ b/README.md
@@ -42,6 +42,7 @@ Required environment variables:
 
 Client-side (must be prefixed with NEXT_PUBLIC_):
 - `NEXT_PUBLIC_SOLANA_RPC_URL` - The RPC URL for the Solana blockchain (SPL token transactions)
+- `NEXT_PUBLIC_SOLANA_WS_URL` - The WS URL for the Solana blockchain (SPL token transactions)
 - `NEXT_PUBLIC_SOLANA_TOKEN_MINT_ADDRESS` - The mint address of the SPL token to accept
 - `NEXT_PUBLIC_SOLANA_TOKEN_SYMBOL` - The token symbol to display (e.g., "GOR")
 - `NEXT_PUBLIC_GORBAGANA_RPC_URL` - The RPC URL for the Gorbagana blockchain (native GOR transactions)