diff --git a/pyproject.toml b/pyproject.toml
index 43bcdcd..b09a157 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -55,7 +55,7 @@ readme = { file = "README.md", content-type = "text/markdown"}
 
 [project.optional-dependencies]
 dev = [
-    "black ~= 23.3",
+    "black >= 23.3,< 25.0",
     "mypy",
     "types-toml",
     "ruff",