diff --git a/cargo/Earthfile b/cargo/Earthfile
index 47d0b17..4d27a1a 100644
--- a/cargo/Earthfile
+++ b/cargo/Earthfile
@@ -8,7 +8,7 @@ build:
 	FROM rust
 	RUN apt-get update && \
 		apt-get install -y musl-dev musl-tools jq && \
-		rustup component add clippy && \
+		rustup component add clippy rustfmt && \
 		rustup target add x86_64-unknown-linux-musl
 
 	RUN cargo install --root $CARGO_HOME --locked cargo-sweep