diff --git a/docs/submodules/aaf/certservice.git b/docs/submodules/aaf/certservice.git
index d5aa152..4757671 160000
--- a/docs/submodules/aaf/certservice.git
+++ b/docs/submodules/aaf/certservice.git
@@ -1 +1 @@
-Subproject commit d5aa15227f0c8a8bd57b668fdc25eb3935be81c5
+Subproject commit 475767191e107a1c385d5b031ff88ab8034278e4