diff --git a/Dockerfile b/Dockerfile
index 02185a4..39b7556 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,6 @@
 FROM docker.io/rust:1 as builder
 
 # Build the dependencies first
-ENV CARGO_REGISTRIES_CRATES_IO_PROTOCOL=sparse
 RUN USER=root cargo new --bin /usr/src/solar-grabber
 WORKDIR /usr/src/solar-grabber
 COPY ./Cargo.* ./