diff --git a/Dockerfile b/Dockerfile
index f04a576d..8390697a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,5 +22,7 @@ RUN addgroup -g 1000 $username
 RUN adduser -u 1000 -H -D -G $username $username
 USER $username
 
+RUN /usr/sbin/icinga-notifications --version
+
 EXPOSE 5680
 CMD ["/usr/sbin/icinga-notifications"]