diff --git a/pyproject.toml b/pyproject.toml
index bed37590d..31563f828 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -110,6 +110,7 @@ eitprocessing = ["config/*.yaml", "py.typed"]
 output-format = "concise"
 line-length = 120
 extend-include = ["*.ipynb"]
+target-version = "py310"
 
 [tool.ruff.lint]
 select = ["ALL"]