diff --git a/pyproject.toml b/pyproject.toml
index 6010d6ee..12de622a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ description = ""
 authors = ["Martin Medler"]
 
 [tool.poetry.dependencies]
-python = "^3.8.1"
+python = "^3.9.0"
 
 [tool.poetry.dev-dependencies]
 pre-commit = "^3.5.0"