diff --git a/pyproject.toml b/pyproject.toml
index b6590cf..81d11c7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ dynamic = ["version"]
 
 license = { text = "3-clause BSD License" }
 
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 
 keywords=[
     "system",