diff --git a/requirements-dev.txt b/requirements-dev.txt
index 90d8570b1c09..36a306bd16eb 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -16,7 +16,7 @@ cython>=0.27.1
 pylatexenc>=1.4
 ddt>=1.2.0,!=1.4.0
 seaborn>=0.9.0
-reno>=2.11.0
+reno>=3.1.0;python_version>'3.5'
 Sphinx>=1.8.3
 sphinx-rtd-theme>=0.4.0
 sphinx-tabs>=1.1.11
diff --git a/tox.ini b/tox.ini
index 84148ae59c8a..2b93b09e0597 100644
--- a/tox.ini
+++ b/tox.ini
@@ -44,4 +44,4 @@ deps =
   qiskit-aer
   qiskit-ibmq-provider
 commands =
-  sphinx-build -W -b html docs/ docs/_build/html {posargs}
+  sphinx-build -W -b html -j auto docs/ docs/_build/html {posargs}