diff --git a/Dockerfile b/Dockerfile
index 0ea5415..608f762 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -24,8 +24,8 @@ RUN npm run build
 
 
 FROM nginx:latest AS prod
-RUN apt update \
-    && apt upgrade -y \
+RUN apt-get update
+RUN apt-get upgrade -y
 COPY --from=builder /usr/src/app/dist /usr/share/nginx/html
 ADD default.conf /etc/nginx/conf.d/default.conf