diff --git a/Makefile b/Makefile
index 502846f39775769382449d9b662486dc072cc074..2ba3ebecd7c22a3c0c3b525469a420f5d322e43f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 format:
-	uv run black --target-version py313 -l 88 .
+	uv run black --target-version py311 -l 88 .
 	uv run ruff --select I --fix .
 
 PYTHON_FILES=.
@@ -7,7 +7,7 @@ lint: PYTHON_FILES=.
 lint_diff: PYTHON_FILES=$(shell git diff --name-only --diff-filter=d main | grep -E '\.py$$')
 
 lint lint_diff:
-	uv run black --target-version py313 -l 88 $(PYTHON_FILES) --check
+	uv run black --target-version py311 -l 88 $(PYTHON_FILES) --check
 	uv run ruff check .
 	uv run mypy $(PYTHON_FILES)