diff --git a/Dockerfile b/Dockerfile
index 29d55550da579486891157bf63d64162b315e9b8..a408acadb98a1cd6c86e290855d3152784f6a35d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:15.6.0-buster
+FROM node:lts-buster
 WORKDIR /ragdoc-view
 ADD . /ragdoc-view/
 RUN npm install