diff --git a/jsonschema-gentypes.yaml b/jsonschema-gentypes.yaml
index 4e4eca0cd..222c07cc2 100644
--- a/jsonschema-gentypes.yaml
+++ b/jsonschema-gentypes.yaml
@@ -11,6 +11,8 @@ pre_commit:
   arguments:
     - --color=never
 
+python_version: '3.10'
+
 generate:
   - source: tilecloud_chain/schema.json
     destination: tilecloud_chain/configuration.py
diff --git a/pyproject.toml b/pyproject.toml
index 4b5f79511..7fed3d759 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -54,6 +54,7 @@ tilecloud_chain = "tilecloud_chain.scaffolds:Create"
 main = "tilecloud_chain.server:main"
 
 [tool.poetry.dependencies]
+# Minimal version should also be set in the jsonschema-gentypes.yaml file
 python = ">=3.10,<3.12"
 c2cwsgiutils = { version = "6.0.8", extras = ["standard", "broadcast", "oauth2", "debug"] }
 pyramid-mako = "1.1.0"