diff --git a/Dockerfile b/Dockerfile
index 0b5939e..0190b79 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,15 +1,11 @@
 FROM ekidd/rust-musl-builder:latest as builder
 WORKDIR /home/rust/src
 COPY Cargo.toml Cargo.toml
-# https://github.com/emk/rust-musl-builder/issues/130
-RUN sed -i "s|edition = \"2021\"|edition = \"2018\"|" Cargo.toml
 RUN mkdir -p src/
 RUN echo "fn main() {println!(\"failed to build\")}" > src/main.rs
 RUN cargo build --release
 RUN rm -f target/release/deps/rustypaste*
 COPY . .
-# https://github.com/emk/rust-musl-builder/issues/130
-RUN sed -i "s|edition = \"2021\"|edition = \"2018\"|" Cargo.toml
 RUN cargo build --locked --release
 RUN mkdir -p build-out/
 RUN cp target/x86_64-unknown-linux-musl/release/rustypaste build-out/