diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..f1b224f
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "temporal-api"]
+	path = temporal-api
+	url = https://github.com/temporalio/api.git
diff --git a/Makefile b/Makefile
index cf901cd..b324dc2 100644
--- a/Makefile
+++ b/Makefile
@@ -44,6 +44,18 @@ openapiv2-install:
 	printf $(COLOR) "Install/update openapiv2 protoc gen..."
 	go install github.com/grpc-ecosystem/grpc-gateway/v2/protoc-gen-openapiv2@v2.16.2
 
+PROTO_ROOT := temporal-api
+
+##### Import Proto files #####
+install-proto-submodule:
+	@printf $(COLOR) "Install proto submodule..."
+	git submodule update --init $(PROTO_ROOT)
+
+update-proto-submodule:
+	@printf $(COLOR) "Update proto submodule from remote..."
+	git submodule update --force --remote $(PROTO_ROOT)
+
+
 ##### Linters #####
 buf-lint:
 	printf $(COLOR) "Run buf linter..."
diff --git a/buf.lock b/buf.lock
index 3435191..6c4355d 100644
--- a/buf.lock
+++ b/buf.lock
@@ -4,5 +4,5 @@ deps:
   - remote: buf.build
     owner: googleapis
     repository: googleapis
-    commit: 711e289f6a384c4caeebaff7c6931ade
-    digest: shake256:e08fb55dad7469f69df00304eed31427d2d1576e9aab31e6bf86642688e04caaf0372f15fe6974cf79432779a635b3ea401ca69c943976dc42749524e4c25d94
+    commit: 28151c0d0a1641bf938a7672c500e01d
+    digest: shake256:49215edf8ef57f7863004539deff8834cfb2195113f0b890dd1f67815d9353e28e668019165b9d872395871eeafcbab3ccfdb2b5f11734d3cca95be9e8d139de
diff --git a/buf.yaml b/buf.yaml
index 69baf0f..724289a 100644
--- a/buf.yaml
+++ b/buf.yaml
@@ -4,6 +4,12 @@ deps:
 breaking:
   use:
     - FILE
+build:
+  excludes:
+    - temporal-api/google
 lint:
   use:
     - DEFAULT
+  ignore:
+    - temporal-api  # don't lint temporal-api
+
diff --git a/temporal-api b/temporal-api
new file mode 160000
index 0000000..66df148
--- /dev/null
+++ b/temporal-api
@@ -0,0 +1 @@
+Subproject commit 66df148533a971f58fc0fec79bf25ab175ec1b78
diff --git a/temporal/api/cloud/export/exported_workflow.proto b/temporal/api/cloud/export/exported_workflow.proto
new file mode 100644
index 0000000..08d096e
--- /dev/null
+++ b/temporal/api/cloud/export/exported_workflow.proto
@@ -0,0 +1,13 @@
+syntax = "proto3";
+
+package temporal.api.cloud.namespace.export.v1;
+
+import "temporal/api/history/v1/message.proto";
+
+message ExportedWorkflows{
+    repeated ExportedWorkflow workflows = 1;
+}
+
+message ExportedWorkflow{
+    temporal.api.history.v1.History history = 1;
+}
\ No newline at end of file