diff --git a/tox.ini b/tox.ini
index 6dd17c725..24a5b0ff5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -179,6 +179,8 @@ passenv =
 description = Run apacheconftest with pebble and Certbot outside of the tox virtual environment.
 deps =
     -e certbot-ci
+allowlist_externals =
+    {toxinidir}/certbot-apache/certbot_apache/_internal/tests/apache-conf-files/apache-conf-test-pebble.py
 commands =
     {toxinidir}/certbot-apache/certbot_apache/_internal/tests/apache-conf-files/apache-conf-test-pebble.py --debian-modules
 
@@ -186,6 +188,8 @@ commands =
 deps =
     {[testenv:apacheconftest]deps}
     {[testenv:apacheconftest-external-with-pebble]deps}
+allowlist_externals =
+    {toxinidir}/certbot-apache/certbot_apache/_internal/tests/apache-conf-files/apache-conf-test-pebble.py
 commands = {[testenv:apacheconftest-external-with-pebble]commands}
 
 [testenv:nginxroundtrip]