diff --git a/tox.ini b/tox.ini
index 5ef2db01c..15f952f23 100644
--- a/tox.ini
+++ b/tox.ini
@@ -27,6 +27,10 @@ deps = uv
 commands = uv pip install -e .[dev]
         behave tests/features --no-capture
 passenv =
+    PGHOST
+    PGPORT
+    PGUSER
+    PGPASSWORD
     PYTHONIOENCODING
 setenv =
     PYTHONIOENCODING = utf-8