diff --git a/src/conf-parameter.hpp b/src/conf-parameter.hpp
index 40eb7dd..70f5a65 100644
--- a/src/conf-parameter.hpp
+++ b/src/conf-parameter.hpp
@@ -531,7 +531,7 @@
 
 PUBLIC_WITH_TESTS_ELSE_PRIVATE:
   // must be incremented when breaking changes are made to sync
-  static constexpr uint64_t SYNC_VERSION = 11;
+  static constexpr uint64_t SYNC_VERSION = 12;
 
   AdjacencyList m_adjl;
   NamePrefixList m_npl;