diff --git a/.build.yml b/.build.yml
new file mode 100644
index 0000000..81432bb
--- /dev/null
+++ b/.build.yml
@@ -0,0 +1,7 @@
+image: 9front
+sources:
+- https://github.com/oridb/git9
+tasks:
+- build: |
+    cd git9
+    mk all