diff --git a/justfile b/justfile
new file mode 100644
index 0000000..fb46feb
--- /dev/null
+++ b/justfile
@@ -0,0 +1,7 @@
+#!/usr/bin/env just --justfile
+
+# Backup documents
+backup:
+  git add -A
+  git commit -m 'backup: $(date +"%Y-%m-%d")'
+  git push