diff --git a/scheme-venv b/scheme-venv
index b83627a..b99ecab 100755
--- a/scheme-venv
+++ b/scheme-venv
@@ -1,6 +1,8 @@
 #!/bin/sh
 # vi: ft=bash
 
+VERSION=1.0.0
+
 set -eu
 
 stringContain() { case $2 in *$1* ) return 0;; *) return 1;; esac ;}