diff --git a/README.md b/README.md
index fcfe3b8..d851948 100644
--- a/README.md
+++ b/README.md
@@ -52,7 +52,8 @@ Commands:
   help   Print this message or the help of the given subcommand(s)
 
 Options:
-  -h, --help  Print help
+  -h, --help     Print help
+  -V, --version  Print version
 ```
 
 ### Using the stdio protocol
diff --git a/src/cli.rs b/src/cli.rs
index fee28a3..02219ea 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -24,6 +24,7 @@ use std::path::PathBuf;
 
 /// Elastic MCP server
 #[derive(Debug, Parser)]
+#[command(version)]
 pub struct Cli {
     /// Container mode: change default http address, rewrite localhost to the host's address
     #[clap(global=true, long, env = "CONTAINER_MODE")]