diff --git a/src/ccf b/src/ccf
index 5bdfcda737709a385f6fe32901c2273efbce556a..6b93a4baf7e8ea78ba97379cad6a855e112c7872 160000
--- a/src/ccf
+++ b/src/ccf
@@ -1 +1 @@
-Subproject commit 5bdfcda737709a385f6fe32901c2273efbce556a
+Subproject commit 6b93a4baf7e8ea78ba97379cad6a855e112c7872