diff --git a/requirements.txt b/requirements.txt
index 8815970..8c9510c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 # Note: DON'T UPDATE THIS WITHOUT ALSO UPDATING SETUP.PY
-docutils==0.16
-Sphinx==4.5.0
+docutils==0.18
+Sphinx==5.3.0
diff --git a/setup.py b/setup.py
index 1ed288e..4fdbb5b 100644
--- a/setup.py
+++ b/setup.py
@@ -42,8 +42,8 @@
     packages=find_packages(exclude=('test',)),
     include_package_data=True,
     install_requires=[
-        'docutils==0.16',
-        'Sphinx==4.5.0',
+        'docutils==0.18',
+        'Sphinx==5.3.0',
     ],
     namespace_packages=['sphinxcontrib']
 )
diff --git a/test-requirements.txt b/test-requirements.txt
index 01ed862..7682df5 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,5 +1,5 @@
-flake8==5.0.4
+flake8==7.0.0
 mock
-pytest==7.1.2
+pytest==7.4.4
 pytest-cov
 tox