diff --git a/docs/requirements.txt b/docs/requirements.txt
index 2ae4421..b67e06d 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-Sphinx==3.5.2
+Sphinx==6.1.3
 sphinx_rtd_theme==0.5.2
 sphinx-automodapi==0.13
 -r ../requirements.txt
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 2e9d9fe..7f47cdf 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -4,7 +4,7 @@ watchdog==2.0.2
 flake8==3.9.0
 tox==3.23.0
 coverage==5.5
-Sphinx==3.5.2
+Sphinx==6.1.3
 twine==3.4.1
 pytest==6.2.2
 pytest-runner==5.3.0