diff --git a/example/obuild.cfg b/example/obuild.cfg
index c691451..7de0605 100644
--- a/example/obuild.cfg
+++ b/example/obuild.cfg
@@ -34,6 +34,6 @@ action test_invoke [
 
 // dependencies
 
-rule foo.o foo.h
-rule bar.o bar.h
-rule test.o [foo.h bar.h]
\ No newline at end of file
+depend foo.o foo.h
+depend bar.o bar.h
+depend test.o [foo.h bar.h]
\ No newline at end of file
diff --git a/main.cc b/main.cc
index f4d3ace..69e74cc 100644
--- a/main.cc
+++ b/main.cc
@@ -444,6 +444,11 @@ int main(int argc, char **argv) {
         ((ObState &)cs).rule_add(an, nullptr, body, true);
     });
 
+    os.cs.add_command("depend", "ss", [](CsState &cs, const char *file,
+                                         const char *deps) {
+        ((ObState &)cs).rule_add(file, deps, nullptr);
+    });
+
     os.cs.add_commandn("getenv", "s", [](CsState &cs, TvalRange args) {
         if (((ObState &)cs).ignore_env) {
             cs.result->set_cstr("");