diff --git a/backend/Dockerfile b/backend/Dockerfile
index 0e3e776..8e0b2f4 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,7 +1,7 @@
 FROM alpine:3.11
 
 RUN \ 
-apk add --update npm python ffmpeg \
+apk add --update npm python ffmpeg && \
 apk add --repository http://dl-3.alpinelinux.org/alpine/edge/testing/ \
     atomicparsley