diff --git a/pyproject.toml b/pyproject.toml
index fb53951..01d3c0a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ classifiers = [
     "Topic :: Scientific/Engineering :: Artificial Intelligence",
 ]
 dependencies = [
-    "pyyaml>=6.0",
+    "pyyaml>=6.0.3",
     "pydantic>=2.0",
     "pydantic-settings>=2.0",
     "tzdata>=2025.2",