diff --git a/tox.ini b/tox.ini
index d57bf8d91..97e7a9ee9 100644
--- a/tox.ini
+++ b/tox.ini
@@ -77,7 +77,7 @@ commands = oslo-config-generator --config-file=etc/oslo-config-generator/kuryr.c
 
 [testenv:releasenotes]
 basepython = python3
-deps = -r{toxinidir}/doc/requirements.txt
+deps = {[testenv:docs]deps}
 commands = sphinx-build -a -W -E -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
 
 [testenv:lower-constraints]