diff --git a/common/env/src/index.ts b/common/env/src/index.ts
index 900422a86..ebe38e698 100644
--- a/common/env/src/index.ts
+++ b/common/env/src/index.ts
@@ -38,4 +38,8 @@ enum ETHEREUM_RPC_URL {
     TESTNET = 'https://goerli.infura.io/v3/46a379ac6895489f812f33beb726b03b'
 }
 
-export { ETHEREUM_CONTRACTS, ETHEREUM_NETWORK_NAME, ETHEREUM_RPC_URL }
\ No newline at end of file
+enum ETHEREUM_WS_URL {
+    TESTNET = 'wss://goerli.infura.io/ws/v3/46a379ac6895489f812f33beb726b03b'
+}
+
+export { ETHEREUM_CONTRACTS, ETHEREUM_NETWORK_NAME, ETHEREUM_RPC_URL, ETHEREUM_WS_URL }