diff --git a/Dockerfile b/Dockerfile
index 4baf5a8..2b83c72 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM alpine:latest
 
-RUN apk add --no-cache git
+RUN apk add --no-cache --repository=http://dl-cdn.alpinelinux.org/alpine/edge/main git
 
 COPY entrypoint.sh /entrypoint.sh