diff --git a/Dockerfile b/Dockerfile
index f47c3a8..7a31a3c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@
 FROM alpine:3.13
 
 # select version or branch here
-ARG ELABFTW_VERSION=4.0.0-beta5
+ARG ELABFTW_VERSION=4.0.0-beta6
 ENV ELABFTW_VERSION $ELABFTW_VERSION
 
 # this is versioning for the container image