diff --git a/build/package/Dockerfile b/build/package/Dockerfile
index 466f374..c6876e6 100755
--- a/build/package/Dockerfile
+++ b/build/package/Dockerfile
@@ -7,7 +7,7 @@ RUN cd /go/src/git.martyn.berlin/martyn/twitchsingstools/; make deps ; make stat
 
 FROM library/node:14.7.0-stretch AS frontend
 COPY build/react-frontend /frontend
-RUN cd /frontend; npm run build
+RUN cd /frontend; npm install && npm run build
 
 FROM debian
 COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/