diff --git a/Dockerfile b/Dockerfile
index 4708c9b..fb4ffd3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,3 +10,6 @@ LABEL org.label-schema.build-date="$BUILD_DATE" \
       org.label-schema.vendor="Zammad" \
       org.label-schema.schema-version="3.6.0" \
       org.label-schema.docker.cmd="sysctl -w vm.max_map_count=262144;docker-compose up"
+
+
+testlint
\ No newline at end of file
diff --git a/containers/zammad-elasticsearch/Dockerfile b/containers/zammad-elasticsearch/Dockerfile
index a5d5cc0..1c968f2 100644
--- a/containers/zammad-elasticsearch/Dockerfile
+++ b/containers/zammad-elasticsearch/Dockerfile
@@ -15,3 +15,5 @@ LABEL org.label-schema.build-date="$BUILD_DATE" \
 SHELL ["/bin/bash", "-e", "-o", "pipefail", "-c"]
 
 RUN /usr/share/elasticsearch/bin/elasticsearch-plugin install --batch ingest-attachment
+
+testlint
\ No newline at end of file