diff --git a/poller/pyproject.toml b/poller/pyproject.toml
index 65785f5..cf6ccdd 100644
--- a/poller/pyproject.toml
+++ b/poller/pyproject.toml
@@ -3,7 +3,7 @@ name = "poller"
 version = "1.0.0"
 description = "Cavepedia v2 Poller"
 readme = "README.md"
-requires-python = ">=3.13"
+requires-python = ">=3.13,<3.14"
 dependencies = [
     "anthropic>=0.52.0",
     "boto3>=1.42.4",