diff --git a/dockercoins/webui/Dockerfile b/dockercoins/webui/Dockerfile
index 410e1f0c..7667bb70 100644
--- a/dockercoins/webui/Dockerfile
+++ b/dockercoins/webui/Dockerfile
@@ -1,5 +1,5 @@
 FROM node:4-slim
-RUN npm install express
+RUN npm install express@4
 RUN npm install redis@3
 COPY files/ /files/
 COPY webui.js /