diff --git a/tox.ini b/tox.ini
index 81bd582d2d..625b007289 100644
--- a/tox.ini
+++ b/tox.ini
@@ -50,7 +50,7 @@ deps=
      dbapimaster-mysql: git+https://github.com/PyMySQL/PyMySQL.git@master#egg=pymysql
      dbapimaster-mysql: git+https://github.com/mariadb-corporation/mariadb-connector-python@master#egg=mariadb
 
-     dbapimaster-oracle: git+https://github.com/oracle/python-cx_Oracle.git@master#egg=cx_Oracle
+     dbapimaster-oracle: git+https://github.com/oracle/python-cx_Oracle.git@main#egg=cx_Oracle
 
      dbapimaster-mssql: git+https://github.com/mkleehammer/pyodbc.git@master#egg=pyodbc