diff --git a/Dockerfile b/Dockerfile
index d402f02..7d71cde 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -45,6 +45,8 @@ WORKDIR ${WEBCRON_ROOT}
 RUN mv .env.sample .env
 RUN composer install
 
+RUN bash -c "if [ -n \"${VERSION}\" ] ; then  echo ${VERSION} > ${WEBCRON_ROOT}/version ; fi"
+
 USER root
 
 ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]