diff --git a/pyproject.toml b/pyproject.toml
index 9568f61..513090a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ dependencies = [
   "jinja2>=3.1.0",
   "litellm>=1.67.0",
   "pydantic>=2.10.0",
-  "pyyaml>=6.0.0",
+  "pyyaml>=6.0.3",
   "requests>=2.32.0",
   "uvicorn>=0.34.0",
   "textual>=0.50.0",