diff --git a/tox.ini b/tox.ini
index fa97c20..741be65 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,6 +12,8 @@ min_version = 4
 # Run the python tests.
 # To execute, run `tox -e 3.13`
 envlist = 3.{9,10,11,12,13}
+pass_env =
+    TARGET_POSTGRES_*
 deps =
     pytest
 commands =