diff --git a/pyproject.toml b/pyproject.toml
index 38b1098..cf64b66 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,6 +9,7 @@ description = "Teleo Pipeline v2 — async daemon for claim extraction, validati
 requires-python = ">=3.11"
 dependencies = [
     "aiohttp>=3.9,<4",
+    "PyYAML>=6,<7",
 ]
 
 [project.optional-dependencies]
diff --git a/telegram/approvals.py b/telegram/approvals.py
index 1f32a95..f0c6d24 100644
--- a/telegram/approvals.py
+++ b/telegram/approvals.py
@@ -14,6 +14,8 @@ No deal terms, no dollar amounts, no private investment details in approval requ
 Epimetheus owns this module.
 """
 
+from __future__ import annotations
+
 # ruff: noqa: I001
 
 import logging