diff --git a/nodered/Dockerfile b/nodered/Dockerfile
index 4f4bdf3..1989c24 100644
--- a/nodered/Dockerfile
+++ b/nodered/Dockerfile
@@ -6,6 +6,7 @@ COPY scripts/*.sh /tmp/
 # Install tools, create Node-RED app and data dir, add user and set rights
 RUN set -ex && \
     apt-get update && \
+    apt-get upgrade && \
     apt-get intsall \
         bash \
         tzdata \