diff --git a/docs/submodules/aaf/certservice.git b/docs/submodules/aaf/certservice.git
index c091852..ad63ce0 160000
--- a/docs/submodules/aaf/certservice.git
+++ b/docs/submodules/aaf/certservice.git
@@ -1 +1 @@
-Subproject commit c09185218d1c50b07bd6b4206004df7f4c21e7cf
+Subproject commit ad63ce0e835ceb7509d398b91e5a9aca00987e64