diff --git a/dependencies.list b/dependencies.list
index 51f17dbe..c86bcb1e 100644
--- a/dependencies.list
+++ b/dependencies.list
@@ -1,5 +1,5 @@
 PACKAGE_NAME=realm-js
 VERSION=1.3.1
-REALM_CORE_VERSION=2.7.0
-REALM_SYNC_VERSION=1.8.4
-REALM_OBJECT_SERVER_VERSION=1.3.0
+REALM_CORE_VERSION=2.8.1
+REALM_SYNC_VERSION=1.9.1
+REALM_OBJECT_SERVER_VERSION=1.7.1
diff --git a/src/object-store b/src/object-store
index 4330f13e..6decdfbb 160000
--- a/src/object-store
+++ b/src/object-store
@@ -1 +1 @@
-Subproject commit 4330f13eedfad4f34bcecdca25f71fb949fbc4b2
+Subproject commit 6decdfbb88494908c8116b64b21c8715175fc2f3