diff --git a/Dockerfile b/Dockerfile
index 544aaba..812868f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,7 @@
-FROM alpine:3.13
+FROM alpine:edge
 # Install cwebp and avifenc
 RUN apk -U add libwebp-tools libavif-apps dav1d # rav1e #(soon?)
+RUN apk add --no-cache -X http://dl-cdn.alpinelinux.org/alpine/edge/testing rav1e
 ADD ./generate_all /usr/bin/generate_all
 RUN mkdir /src
 WORKDIR /src