diff --git a/Dockerfile b/Dockerfile
index eed9dff..9d0e7e2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:8.9.1
+FROM node:14.21.2
 LABEL maintainer="info@matthias-muth.de"
 
 RUN useradd --user-group --create-home --shell /bin/false app