diff --git a/requirements/dev.txt b/requirements/dev.txt
index 0d466765f83e466e463327872971485da6f03f74..4fa1b6d92815b7cf1296ca220bd52c21640929c7 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -6,7 +6,7 @@ pytest-flake8
 pytest-pylint
 pytest-watch
 sphinx-rtd-theme
-sphinx
+sphinx>=3.0.0
 sphinxcontrib-napoleon
 sphinxcontrib-programoutput
 sphinxcontrib-websupport