diff --git a/pyproject.toml b/pyproject.toml
index f8bc0df..73a3770 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ authors = [
 ]
 keywords = ["MQT",  "quantum computing", "optimization", "QUBO"]
 license = { file = "LICENSE" }
-requires-python = ">=3.9"
+requires-python = ">=3.10,<3.12"
 dynamic = ["version"]
 
 dependencies = [