diff --git a/tox.ini b/tox.ini
index 97fb5825a7..a4524f7c77 100644
--- a/tox.ini
+++ b/tox.ini
@@ -42,10 +42,11 @@ commands =
 deps =
     {[testenv]deps}
     yamllint
+allowlist_externals = bash
 commands =
-  {toxinidir}/tools/run-bashate.sh
+  bash {toxinidir}/tools/run-bashate.sh
   flake8 {posargs}
-  {toxinidir}/tools/validate-all-dockerfiles.sh
+  bash {toxinidir}/tools/validate-all-dockerfiles.sh
   python {toxinidir}/tools/validate-all-file.py
   bandit -r docker kolla tests tools
   yamllint -s .
@@ -78,7 +79,6 @@ commands =
   make -C doc/build/pdf
 
 [testenv:genconfig]
-allowlist_externals = which
 commands=
   oslo-config-generator --config-file etc/oslo-config-generator/kolla-build.conf