diff --git a/backend/Dockerfile b/backend/Dockerfile
index 9c32e83d5..ec44a1990 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:12.19.0-alpine3.10 as base
+FROM node:15.3.0-alpine3.10 as base
 LABEL Description="Backend of the Social Network Human-Connection.org" Vendor="Human Connection gGmbH" Version="0.0.1" Maintainer="Human Connection gGmbH (developer@human-connection.org)"
 
 EXPOSE 4000