diff --git a/src/main.rs b/src/main.rs
index 3e0a2e8..9d6746b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -32,6 +32,7 @@ const UUID_LEN: usize = 16;
 #[derive(Parser)]
 #[command(
     name = "ectf-tools",
+    version,
     about = "eCTF host tools — Rust reimplementation",
     long_about = "Drop-in replacement for MITRE's ectf CLI.\n\
                   Reliable serial I/O using raw termios instead of pyserial.",