diff --git a/requirements/dev.txt b/requirements/dev.txt
index 3d0ac2aa2..fb50aa90c 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -90,7 +90,7 @@ six==1.16.0
     #   virtualenv
 snowballstemmer==2.1.0
     # via sphinx
-sphinx==4.1.2
+sphinx==4.5.0
     # via
     #   -r requirements/docs.in
     #   pallets-sphinx-themes
diff --git a/requirements/docs.txt b/requirements/docs.txt
index 177304117..0b5eb7909 100644
--- a/requirements/docs.txt
+++ b/requirements/docs.txt
@@ -42,7 +42,7 @@ requests==2.25.1
     # via sphinx
 snowballstemmer==2.1.0
     # via sphinx
-sphinx==4.1.2
+sphinx==4.5.0
     # via
     #   -r requirements/docs.in
     #   pallets-sphinx-themes
@@ -69,6 +69,3 @@ sphinxcontrib-serializinghtml==1.1.5
     # via sphinx
 urllib3==1.26.5
     # via requests
-
-# The following packages are considered to be unsafe in a requirements file:
-# setuptools