2 files changed, 4 insertions, 1 deletions

diff --git a/.zuul.yaml b/.zuul.yaml
index d38f37f..024b969 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -10,6 +10,9 @@
     # for installation.
     required-projects:
       - opendev.org/openstack/python-swiftclient
+    vars:
+      # New tox keeps breaking things as of 2023-01
+      ensure_tox_version: '<4'
 
 - job:
     name: swiftclient-functional
diff --git a/tox.ini b/tox.ini
index e1e679d..3a6cd8a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -18,7 +18,7 @@ commands = sh -c '(find . -not \( -type d -name .?\* -prune \) \
            -print0) | xargs -0 rm -rf'
            stestr run {posargs}
 allowlist_externals = sh
-passenv = SWIFT_* *_proxy
+passenv = SWIFT_*
 
 [testenv:pep8]
 commands =