diff --git a/debian/Dockerfile b/debian/Dockerfile
index 2efbb051f781863c5985cd4852a6fbf51936641c..32d33d4af553ccbb790f04340fb994ff80cf7b55 100644
--- a/debian/Dockerfile
+++ b/debian/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:12.18.0-slim
+FROM node:14.4.0-slim
 
 # Build arguments to change source url, branch or tag
 ARG CODIMD_REPOSITORY=https://github.com/codimd/server.git