diff --git a/lib/tempest b/lib/tempest
index 33bd74f7a3..1f1f30a5dd 100644
--- a/lib/tempest
+++ b/lib/tempest
@@ -613,7 +613,7 @@ function configure_tempest {
 # install_tempest() - Collect source and prepare
 function install_tempest {
     git_clone $TEMPEST_REPO $TEMPEST_DIR $TEMPEST_BRANCH
-    pip_install tox
+    pip_install 'tox!=2.8.0'
     pushd $TEMPEST_DIR
     tox -r --notest -efull
     # NOTE(mtreinish) Respect constraints in the tempest full venv, things that