diff --git a/Makefile b/Makefile
index aee73947..c0e0813d 100644
--- a/Makefile
+++ b/Makefile
@@ -13,6 +13,19 @@ else
 endif
 PROJECT_PLAYER=./build/${BC_VAR_CURRENT_BUILD}/bin/${BC_VAR_PROJECT_NAME_CAP}
 
+.PHONY: git-setup-ox-remote
+git-setup-ox-remote:
+	git remote add -f ox-master git@git.drinkingtea.net:drinkingtea/ox.git
+
+.PHONY: git-pull-ox
+git-pull-ox:
+	git fetch ox-master master
+	git subtree pull --prefix deps/ox ox-master master --squash
+
+.PHONY: git-push-ox
+git-push-ox:
+	git subtree push --prefix=deps/ox ox-master master
+
 .PHONY: pkg-gba
 pkg-gba: build-pack build-gba-player
 	${BC_CMD_ENVRUN} ${BC_PY3} ./util/scripts/pkg-gba.py sample_project ${BC_VAR_PROJECT_NAME_CAP}