diff --git a/pyproject.toml b/pyproject.toml
index e1d5395..808ea92 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ dev = [
     "httpx>=0.28",
     "ruff>=0.11",
     "mypy>=1.15",
-    "types-pyyaml>=6.0",
+    "types-pyyaml>=6.0.12.20260408",
 ]
 
 [project.scripts]