diff --git a/tox.ini b/tox.ini
index ecb6ac2..7d0fe5f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -54,7 +54,7 @@ deps =
 skip_install = true
 commands =
     black --check --diff {posargs:src tests}
-    ruff check --diff {posargs:src tests doc}
+    ruff check --diff {posargs:src tests}
 
 # asserts package build integrity
 [testenv:build]