diff --git a/submodules/belle-sip b/submodules/belle-sip
index c30a0d81a..b447a7bd1 160000
--- a/submodules/belle-sip
+++ b/submodules/belle-sip
@@ -1 +1 @@
-Subproject commit c30a0d81af4e4be06114bbd372467287a97785e1
+Subproject commit b447a7bd15f99a6a71bc54e7f31c2e99b653e7a4