diff --git a/_external/resources/wai-wcag-supplemental b/_external/resources/wai-wcag-supplemental
index e5daaad0de3..f9e2b605600 160000
--- a/_external/resources/wai-wcag-supplemental
+++ b/_external/resources/wai-wcag-supplemental
@@ -1 +1 @@
-Subproject commit e5daaad0de39d81002f3cbd12bcb0014506ff6b7
+Subproject commit f9e2b6056008e4129efb8471b8e86fa6489e6801