diff --git a/utils/pyproject.toml b/utils/pyproject.toml
index 295aeb9..4475a4b 100644
--- a/utils/pyproject.toml
+++ b/utils/pyproject.toml
@@ -2,7 +2,7 @@
 name = "koios-utils"
 version = "0.1.0"
 description = "Operator scripts for the Koios unified Neo4j knowledge graph — schema init and validation"
-requires-python = ">=3.13"
+requires-python = ">=3.12"
 dependencies = [
     "neo4j>=5.19,<6",
 ]