diff --git a/docker/requirements.txt b/docker/requirements.txt
index 706b0676..42fb4413 100644
--- a/docker/requirements.txt
+++ b/docker/requirements.txt
@@ -4,7 +4,9 @@ black
 cmakelint
 cpplint
 deprecated
-docformatter
+# Pin due to formatting conflict with black.
+# https://github.com/PyCQA/docformatter/issues/94
+docformatter==1.5.1
 flawfinder
 isort
 lizard
@@ -14,11 +16,13 @@ pydocstyle
 pyflakes
 pylint
 pylint-django<2.0
+ruff>=0.0.237
 statick
 statick-md
+statick-planning
+statick-tex
 statick-tooling
 statick-web
-statick-tex
 tabulate
 xmltodict
 yamllint