diff --git a/modules/waf b/modules/waf
index d2ade00ef8..878ab1e294 160000
--- a/modules/waf
+++ b/modules/waf
@@ -1 +1 @@
-Subproject commit d2ade00ef86f5024317ef48ae0e30cff51c8f3dd
+Subproject commit 878ab1e29494e28236a260212a5021b1de35d9a3