diff --git a/Dockerfile b/Dockerfile
index 7da83ee..470fbce 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,6 @@
-FROM ekidd/rust-musl-builder:nightly-2020-07-12 as builder
+FROM rust:1-alpine as builder
+
+ENV CARGO_REGISTRIES_CRATES_IO_PROTOCOL sparse
 
 COPY Cargo.toml /home/rust/src/
 COPY Cargo.lock /home/rust/src/