diff --git a/riot/Dockerfile b/riot/Dockerfile
index b1ece49..bfdd8c6 100644
--- a/riot/Dockerfile
+++ b/riot/Dockerfile
@@ -1,6 +1,6 @@
 FROM vectorim/riot-web:VERSION as builder
 
-FROM arm64v8/nginx:1.17.8-alpine
+FROM arm64v8/nginx:mainline-alpine
 
 RUN apk add tini
 RUN sed -i '3i\ \ \ \ application/wasm wasm\;' /etc/nginx/mime.types