diff --git a/requirements-dev.txt b/requirements-dev.txt
index f15e677ca..cdc3170de 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -3,7 +3,7 @@ pytest-cov >= 2.2.0
 flake8 >= 3.7
 cython >= 0.29.13
 numpy >= 1.17.2
-sphinx == 4.2.0
+sphinx == 6.1.2
 sphinx_issues
 sphinx_rtd_theme
 sphinxcontrib-programoutput