diff --git a/requirements.txt b/requirements.txt
index 0cde76d0..7f61b795 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,8 +8,8 @@ Flask-SeaSurf==1.1.1
 flask-talisman==1.0.0
 gunicorn==20.1.0
 pycodestyle==2.10.0
-pydocstyle==6.2.2
-requests==2.28.1
-Sphinx==5.3.0
+pydocstyle==6.3.0
+requests==2.28.2
+Sphinx==6.1.3
 Werkzeug==2.2.3
 setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability