diff --git a/Formula/kubevela.rb b/Formula/kubevela.rb
index 4bd7e94bf41..edd86a4e169 100644
--- a/Formula/kubevela.rb
+++ b/Formula/kubevela.rb
@@ -27,6 +27,8 @@ class Kubevela < Formula
     ]
 
     system "go", "build", *std_go_args(output: bin/"vela", ldflags: ldflags), "./references/cmd/cli"
+
+    generate_completions_from_executable(bin/"vela", "completion", shells: [:bash, :zsh], base_name: "vela")
   end
 
   test do