diff --git a/pyproject.toml b/pyproject.toml
index 3409b8f..4561fda 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ description = ""
 authors = ["Marijn Doeve <marijn@doeve.me>"]
 
 [tool.poetry.dependencies]
-python = "^3.10"
+python = "^3.9"
 fastapi = {extras = ["all"], version = "^0.92.0"}
 pydantic = "^1.10.5"
 projectorpi = {version = "^0.2.0", source = "gitea"}