diff --git a/redbeanpython/config.py b/redbeanpython/config.py
index 6c8e5d7..fbbdb24 100644
--- a/redbeanpython/config.py
+++ b/redbeanpython/config.py
@@ -43,9 +43,9 @@ def migrations_directory(self) -> str:
 
     def _validate_dsn(self):
         dsn_driver = self.dsn.split(":")[0]
-        if dsn_driver not in ["sqlite", "mysql+pymysql", "postgresql+psycopg"]:
+        if dsn_driver not in ["sqlite", "mysql+pymysql", "postgresql+psycopg", "postgresql+psycopg2"]:
             raise ConfigurationError(
-                f"Unsupported driver: {dsn_driver}. Supported: 'sqlite', 'mysql+pymysql', 'postgresql+psycopg'"
+                f"Unsupported driver: {dsn_driver}. Supported: 'sqlite', 'mysql+pymysql', 'postgresql+psycopg', 'postgresql+psycopg2'"
             )
 
     def _validate_directory(self):
diff --git a/tests/run_compatibility_tests.py b/tests/run_compatibility_tests.py
index 643866c..3a08909 100644
--- a/tests/run_compatibility_tests.py
+++ b/tests/run_compatibility_tests.py
@@ -19,6 +19,7 @@
     "legacy (2022)": [
         "SQLAlchemy==2.0.0",
         "psycopg==3.0.18",
+        "psycopg2==2.9.9",
         "PyMySQL==1.0.2",
         "alembic==1.8.0",
     ],