diff --git a/tox.ini b/tox.ini
index 22ac1ab..60082ce 100644
--- a/tox.ini
+++ b/tox.ini
@@ -17,6 +17,7 @@ setenv = VIRTUAL_ENV={envdir}
          FUELSTAT_DB_ROOT=postgres
          FUELSTAT_DB_ROOTPW=insecure_slave
          FUELSTAT_DB_ROOTPGPASS={toxinidir}/pgpass
+passenv = http_proxy HTTP_PROXY https_proxy HTTPS_PROXY no_proxy NO_PROXY
 deps =
     -r{toxinidir}/test-requirements.txt
 commands =