diff --git a/Makefile b/Makefile
index bba749c..4e8420b 100644
--- a/Makefile
+++ b/Makefile
@@ -2,8 +2,8 @@ d=docker run --rm -it -v `pwd`:/data --workdir /data naas-models-builder:latest
 protoc=$(d) protoc
 
 build:
-	@ docker buildx create --name multiarch --driver docker-container --use 2>&1 > /dev/null || true
-	@ docker buildx build -f .docker/Dockerfile -t naas-models-builder --platform=linux/arm64,linux/amd64 .
+	#@ docker buildx create --name multiarch --driver docker-container --use 2>&1 > /dev/null || true
+	#@ docker buildx build -f .docker/Dockerfile -t naas-models-builder --platform=linux/arm64,linux/amd64 .
 	@ .docker/load.sh
 
 python: python/naas_models python/naas_models/pydantic
@@ -20,7 +20,10 @@ go:
 clean:
 	rm -rf dist go  python/naas_models/*_pb2.py python/naas_models/pydantic/*_p2p.py 
 
-generate: clean python go
+submodules:
+	git submodule init && git submodule update
+
+generate: clean python go build submodules
 	$(d) python3 -m grpc_tools.protoc \
 		-I=protos \
 		-I=lib/protoc-gen-validate/validate \
diff --git a/go/github.com/envoyproxy/protoc-gen-validate/validate/validate.pb.go b/go/github.com/envoyproxy/protoc-gen-validate/validate/validate.pb.go
index 3d9168a..5c56e7c 100644
--- a/go/github.com/envoyproxy/protoc-gen-validate/validate/validate.pb.go
+++ b/go/github.com/envoyproxy/protoc-gen-validate/validate/validate.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
+// 	protoc-gen-go v1.32.0
 // 	protoc        v3.19.5
 // source: validate.proto
 
diff --git a/go/github.com/jupyter-naas/naas-models/go/aimodel/aimodel.pb.go b/go/github.com/jupyter-naas/naas-models/go/aimodel/aimodel.pb.go
index 60165c2..c175ca4 100644
--- a/go/github.com/jupyter-naas/naas-models/go/aimodel/aimodel.pb.go
+++ b/go/github.com/jupyter-naas/naas-models/go/aimodel/aimodel.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
+// 	protoc-gen-go v1.32.0
 // 	protoc        v3.19.5
 // source: aimodel.proto
 
diff --git a/go/github.com/jupyter-naas/naas-models/go/chat/chat.pb.go b/go/github.com/jupyter-naas/naas-models/go/chat/chat.pb.go
index 9a41572..9ff642d 100644
--- a/go/github.com/jupyter-naas/naas-models/go/chat/chat.pb.go
+++ b/go/github.com/jupyter-naas/naas-models/go/chat/chat.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
+// 	protoc-gen-go v1.32.0
 // 	protoc        v3.19.5
 // source: chat.proto
 
diff --git a/go/github.com/jupyter-naas/naas-models/go/credit/credit.pb.go b/go/github.com/jupyter-naas/naas-models/go/credit/credit.pb.go
index ae1637e..6214350 100644
--- a/go/github.com/jupyter-naas/naas-models/go/credit/credit.pb.go
+++ b/go/github.com/jupyter-naas/naas-models/go/credit/credit.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
+// 	protoc-gen-go v1.32.0
 // 	protoc        v3.19.5
 // source: credit.proto
 
diff --git a/go/github.com/jupyter-naas/naas-models/go/iam/iam.pb.go b/go/github.com/jupyter-naas/naas-models/go/iam/iam.pb.go
index 04996a7..3034751 100644
--- a/go/github.com/jupyter-naas/naas-models/go/iam/iam.pb.go
+++ b/go/github.com/jupyter-naas/naas-models/go/iam/iam.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
+// 	protoc-gen-go v1.32.0
 // 	protoc        v3.19.5
 // source: iam.proto
 
diff --git a/go/github.com/jupyter-naas/naas-models/go/registry/registry.pb.go b/go/github.com/jupyter-naas/naas-models/go/registry/registry.pb.go
index 0fb8a40..29bb78c 100644
--- a/go/github.com/jupyter-naas/naas-models/go/registry/registry.pb.go
+++ b/go/github.com/jupyter-naas/naas-models/go/registry/registry.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
+// 	protoc-gen-go v1.32.0
 // 	protoc        v3.19.5
 // source: registry.proto
 
diff --git a/go/github.com/jupyter-naas/naas-models/go/secrets/secret.pb.go b/go/github.com/jupyter-naas/naas-models/go/secrets/secret.pb.go
index 6e37e36..9d1ebc3 100644
--- a/go/github.com/jupyter-naas/naas-models/go/secrets/secret.pb.go
+++ b/go/github.com/jupyter-naas/naas-models/go/secrets/secret.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
+// 	protoc-gen-go v1.32.0
 // 	protoc        v3.19.5
 // source: secret.proto
 
diff --git a/go/github.com/jupyter-naas/naas-models/go/space/space.pb.go b/go/github.com/jupyter-naas/naas-models/go/space/space.pb.go
index 24c7721..1d7c308 100644
--- a/go/github.com/jupyter-naas/naas-models/go/space/space.pb.go
+++ b/go/github.com/jupyter-naas/naas-models/go/space/space.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
+// 	protoc-gen-go v1.32.0
 // 	protoc        v3.19.5
 // source: space.proto