diff --git a/webapp/Dockerfile b/webapp/Dockerfile
index fb0489476..0f0caa4db 100644
--- a/webapp/Dockerfile
+++ b/webapp/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="Web Frontend of the Social Network Human-Connection.org" Vendor="Human-Connection gGmbH" Version="0.0.1" Maintainer="Human-Connection gGmbH (developer@human-connection.org)"
 
 EXPOSE 3000
diff --git a/webapp/Dockerfile.maintenance b/webapp/Dockerfile.maintenance
index dfa392b24..2b02c5a68 100644
--- a/webapp/Dockerfile.maintenance
+++ b/webapp/Dockerfile.maintenance
@@ -1,4 +1,4 @@
-FROM node:12.19.0-alpine3.10 as build
+FROM node:15.3.0-alpine3.10 as build
 LABEL Description="Maintenance page of the Social Network Human-Connection.org" Vendor="Human-Connection gGmbH" Version="0.0.1" Maintainer="Human-Connection gGmbH (developer@human-connection.org)"
 
 EXPOSE 3000