diff --git a/archivebox/vendor/pydantic-pkgr b/archivebox/vendor/pydantic-pkgr
index ce9c3319..663bbfa5 160000
--- a/archivebox/vendor/pydantic-pkgr
+++ b/archivebox/vendor/pydantic-pkgr
@@ -1 +1 @@
-Subproject commit ce9c33192df319f843655c80018c4126b5d3fad1
+Subproject commit 663bbfa50c852720a68ce3f631091642d1808a7d