diff --git a/mailcow/src/mailcow-dockerized/data/Dockerfiles/solr/Dockerfile b/mailcow/src/mailcow-dockerized/data/Dockerfiles/solr/Dockerfile
index 0629925..dd465b4 100644
--- a/mailcow/src/mailcow-dockerized/data/Dockerfiles/solr/Dockerfile
+++ b/mailcow/src/mailcow-dockerized/data/Dockerfiles/solr/Dockerfile
@@ -2,7 +2,8 @@
 
 USER root
 
-ENV GOSU_VERSION 1.11
+# renovate: datasource=github-releases depName=tianon/gosu versioning=semver-coerced extractVersion=^v(?<version>.*)$
+ARG GOSU_VERSION=1.16
 
 COPY solr.sh /
 COPY solr-config-7.7.0.xml /