diff --git a/docs/requirements.txt b/docs/requirements.txt
index 1b70ef9..9511372 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-Sphinx==3.4.1
+Sphinx==6.1.3
 sphinx_rtd_theme==0.5.1
 sphinx-automodapi==0.13
 -r ../requirements.txt
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 17149ab..2fadf24 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -4,7 +4,7 @@ watchdog==2.0.2
 flake8==3.8.4
 tox==3.20.1
 coverage==5.3.1
-Sphinx==3.4.1
+Sphinx==6.1.3
 twine==3.3.0
 pytest==6.2.2
 pytest-runner==5.3.0