diff --git a/tox.ini b/tox.ini
index f05ebc45a..7048391ac 100644
--- a/tox.ini
+++ b/tox.ini
@@ -40,6 +40,8 @@ deps =
     mypy==0.991
     types-attrs==19.1.0
     types-lxml==2022.11.8
+    types-Pillow==9.4.0.5
+    types-Pygments==2.14.0.1
     types-pyOpenSSL==21.0.0
     types-setuptools==57.0.0
 commands =