diff --git a/archivebox/vendor/pydantic-pkgr b/archivebox/vendor/pydantic-pkgr
index bb36226d..663bbfa5 160000
--- a/archivebox/vendor/pydantic-pkgr
+++ b/archivebox/vendor/pydantic-pkgr
@@ -1 +1 @@
-Subproject commit bb36226dc3f9a71ab5a07f08af38adba3404dc68
+Subproject commit 663bbfa50c852720a68ce3f631091642d1808a7d