diff --git a/pyproject.toml b/pyproject.toml
index 836d27d..3ef0f9e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ repository = "https://github.com/yaleman/pygoodwe"
 "bug tracker" = "https://github.com/yaleman/pygoodwe/issues"
 
 [tool.poetry.group.dev.dependencies]
-ruff = ">=0.5.1,<0.6.3"
+ruff = ">=0.5.1,<0.6.4"
 types-requests = "^2.28.11"
 pytest = ">=7.1.3,<9.0.0"
 mypy = "^1.0"