diff --git a/brownie_safe.py b/brownie_safe.py
index 9772b53..a3a45eb 100644
--- a/brownie_safe.py
+++ b/brownie_safe.py
@@ -384,7 +384,7 @@ class BrownieSafeV141(BrownieSafeBase, SafeV141):
 }
 
 
-def BrownieSafe(address, base_url=None, multisend=None, auth_token=None):
+def BrownieSafe(address, base_url=None, multisend=None, api_key=None):
     """
     Create an BrownieSafe from an address or a ENS name and use a default connection.
     """
@@ -397,9 +397,10 @@ def BrownieSafe(address, base_url=None, multisend=None, auth_token=None):
     brownie_safe.transaction_service = TransactionServiceApi(ethereum_client.get_network(), ethereum_client, base_url)
     brownie_safe.multisend = MultiSend(ethereum_client, multisend, call_only=True)
 
-    token = auth_token or os.environ.get("SAFE_AUTH_TOKEN")
-    if token:
-        brownie_safe.transaction_service.http_session.headers["Authorization"] = f"Bearer {token}"
+    api_key = os.getenv("SAFE_TRANSACTION_SERVICE_API_KEY") if api_key is None else api_key
+    api_key = api_key.strip() if api_key else api_key
+    if api_key:
+        brownie_safe.transaction_service.http_session.headers["Authorization"] = f"Bearer {api_key}"
 
     return brownie_safe
- 
\ No newline at end of file
+ 
diff --git a/pyproject.toml b/pyproject.toml
index aae65ea..b681e59 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,9 +11,7 @@ readme = "readme.md"
 python = ">=3.10,<3.13"
 # eth-brownie v1.20.7 requires web3==6.15.1
 eth-brownie = ">=1.20.7"
-# safe-eth-py v6.0.0 renames gnosis to safe_eth
-# safe-eth-py v7.0.0 requires web3>=7.0.0
-safe-eth-py = ">=6.0.0,<7"
+safe-eth-py = { git = "https://github.com/wavey0x/safe-eth-py.git", branch = "wavey_edit" }
 trezor = ">=0.13.8"
 
 [tool.poetry.dev-dependencies]