diff --git a/tox.ini b/tox.ini
index 1edf261c4c..4e9902c2be 100644
--- a/tox.ini
+++ b/tox.ini
@@ -90,6 +90,8 @@ spread_filter = grep -E "^tests/spread/.*(spread|task)\.yaml$"
 description = Lint the source code
 base = testenv, lint
 labels = lint
+deps =
+    -r{tox_root}/requirements-devel.txt
 allowlist_externals =
     shellcheck: bash, xargs
     ruff: ruff
@@ -141,6 +143,8 @@ commands =
 description = Automatically format source code
 base = testenv, lint
 labels = format
+deps =
+    -r{tox_root}/requirements-devel.txt
 allowlist_externals:
     ruff: ruff
 commands =