diff --git a/pyproject.toml b/pyproject.toml
index 92c07b1..3d8e89f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ classifiers = [
 ]
 dependencies = [
     "pydantic>=2.10,<3.0",
-    "pyyaml>=6.0",
+    "pyyaml>=6.0.3",
 ]
 
 [project.optional-dependencies]