1 files changed, 2 insertions, 1 deletions
diff --git a/tox.ini b/tox.ini
index b05e11d..d8fbb9d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,9 +1,10 @@
 [tox]
-envlist = py{27,34,35,36,37,38}
+envlist = {2.7,3.5,3.6,3.7,3.8,3.9}
 
 [testenv]
 commands = make check
 whitelist_externals = make
+passenv = PG* PSYCOPG2_TEST*
 
 [flake8]
 max-line-length = 85