diff --git a/pyproject.toml b/pyproject.toml
index a879784..53c3a72 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ keywords = [
   "qualification",
   "testing",
 ]
-dependencies = ["PyYAML>=6.0"]
+dependencies = ["PyYAML>=6.0.3"]
 
 [project.optional-dependencies]
 dev = ["pytest>=8", "ruff>=0.5"]