diff --git a/Makefile b/Makefile
index 866a53c..f197da5 100644
--- a/Makefile
+++ b/Makefile
@@ -60,7 +60,7 @@
 venv-service:
 	virtualenv $@;\
     source ./$@/bin/activate ; set -u ;\
-    pip install -r requirements.txt xosmigrate~=3.2.6
+    pip install -r requirements.txt xosmigrate~=4.0.0
 
 create-migration: venv-service
 	source ./venv-service/bin/activate; set -u;\
diff --git a/VERSION b/VERSION
index 456ea72..d72f262 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.3.3-dev
+2.0.0-dev
diff --git a/requirements.txt b/requirements.txt
index 4d3cfbd..68c5b17 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 kubernetes~=9.0.0
-xossynchronizer~=3.3.0
-xosapi~=3.0.1
-xoskafka~=3.0.1
+xossynchronizer~=4.0.0
+xosapi~=4.0.0
+xoskafka~=4.0.0
 kafkaloghandler~=0.9.0
diff --git a/xos/synchronizer/config.yaml b/xos/synchronizer/config.yaml
index ef95a5d..ef33503 100644
--- a/xos/synchronizer/config.yaml
+++ b/xos/synchronizer/config.yaml
@@ -15,7 +15,7 @@
 
 
 name: kubernetes
-core_version: ">=3.2.8"
+core_version: ">=4.0.0"
 required_models:
   - KubernetesService
   - KubernetesServiceInstance