diff --git a/dependencies.list b/dependencies.list
index 7548d414..44ae776d 100644
--- a/dependencies.list
+++ b/dependencies.list
@@ -1,5 +1,5 @@
 PACKAGE_NAME=realm-js
 VERSION=1.8.1
 REALM_CORE_VERSION=2.8.4
-REALM_SYNC_VERSION=1.10.1
+REALM_SYNC_VERSION=2.0.0-rc9
 REALM_OBJECT_SERVER_VERSION=1.7.6
diff --git a/src/object-store b/src/object-store
index ffc66731..2b06d20b 160000
--- a/src/object-store
+++ b/src/object-store
@@ -1 +1 @@
-Subproject commit ffc6673173ea4091f6a119ba01532b4b9fd9862f
+Subproject commit 2b06d20b91dfbf6411225773294a171bf38a87b7