diff --git a/TODO.md b/TODO.md
index c4e6686..c813819 100644
--- a/TODO.md
+++ b/TODO.md
@@ -2,7 +2,6 @@
 
 ## Quick Wins
 
-- [ ] Add `--version` flag to the CLI
 - [ ] Check if revision exists before indexing (skip or require `--force`)
 
 ## Usability
diff --git a/cmd/nixos-options/main.go b/cmd/nixos-options/main.go
index 7b893a6..645b522 100644
--- a/cmd/nixos-options/main.go
+++ b/cmd/nixos-options/main.go
@@ -14,12 +14,16 @@ import (
 	"git.t-juice.club/torjus/labmcp/internal/nixos"
 )
 
-const defaultDatabase = "sqlite://nixos-options.db"
+const (
+	defaultDatabase = "sqlite://nixos-options.db"
+	version         = "0.1.0"
+)
 
 func main() {
 	app := &cli.App{
-		Name:  "nixos-options",
-		Usage: "MCP server for NixOS options search and query",
+		Name:    "nixos-options",
+		Usage:   "MCP server for NixOS options search and query",
+		Version: version,
 		Flags: []cli.Flag{
 			&cli.StringFlag{
 				Name:    "database",