diff --git a/pyproject.toml b/pyproject.toml
index b5dbf46..8d5cd9d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ name = "scifem"
 version = "0.2.5"
 description = "Scientific tools for finite element methods"
 readme = "README.md"
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 license = { file = "LICENSE" }
 authors = [
     { email = "dokken@simula.no", name = "Jørgen S. Dokken" },