diff --git a/Makefile b/Makefile
index 8573a32..7fd4d49 100644
--- a/Makefile
+++ b/Makefile
@@ -19,5 +19,10 @@ build-packed-data:
 	make setup-python
 clean:
 	rm -rf out/
-start-server:
+start-server: start-httpmitm
+
+start-httpmitm:
 	cd httpmitm; npm install; node proxy.js
+
+start-dmbackend:
+	bash httpmitm/dmbackend/start_server.sh
diff --git a/httpmitm b/httpmitm
index 1b7dae8..504ccc6 160000
--- a/httpmitm
+++ b/httpmitm
@@ -1 +1 @@
-Subproject commit 1b7dae82a85924497c400f51580dd686914c2f89
+Subproject commit 504ccc6c3ef35ab44f18751a7f652c2dd0b09cca