diff --git a/.python-version b/.python-version
index 24ee5b1..e4fba21 100644
--- a/.python-version
+++ b/.python-version
@@ -1 +1 @@
-3.13
+3.12
diff --git a/pyproject.toml b/pyproject.toml
index 79bb2a3..42b7d2f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ name = "50ohm-de"
 version = "0.1.0"
 description = "Generator für 50ohm.de, die Ausbildungsplattform des DARC e.V."
 readme = "README.md"
-requires-python = ">=3.13"
+requires-python = ">=3.12"
 dependencies = []
 
 [tool.ruff]