diff --git a/Dockerfile b/Dockerfile
index ae7a6d4..9d3bebf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ RUN echo "deb http://apt.llvm.org/bookworm/ llvm-toolchain-bookworm-${LLVM_VERSI
     wget -qO- https://apt.llvm.org/llvm-snapshot.gpg.key | tee /etc/apt/trusted.gpg.d/apt.llvm.org.asc && apt-get update && \
     apt-get install -y eatmydata && eatmydata apt-get install -y crossbuild-essential-arm64 clang-$LLVM_VERSION lldb-$LLVM_VERSION lld-$LLVM_VERSION clangd-$LLVM_VERSION && \
     rm -rf /var/lib/apt/lists/*
-RUN rustup toolchain install nightly && rustup target add --toolchain nightly aarch64-unknown-linux-gnu
+RUN rustup update && rustup toolchain install nightly && rustup target add --toolchain nightly aarch64-unknown-linux-gnu
 RUN --mount=type=bind,target=. --mount=type=cache,target=/root/.cargo cargo fetch
 ARG TARGETARCH
 RUN --mount=type=bind,rw,target=. --mount=type=cache,target=/root/.cargo --mount=type=cache,target=target,id=target-$TARGETARCH \
@@ -18,7 +18,7 @@ RUN --mount=type=bind,rw,target=. --mount=type=cache,target=/root/.cargo --mount
         CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_RUSTFLAGS="-Clinker-plugin-lto -Clinker=clang-${LLVM_VERSION} -Clink-arg=-fuse-ld=lld-${LLVM_VERSION} -Clink-arg=--target=aarch64-unknown-linux-gnu" \
         cargo +nightly -Ztarget-applies-to-host -Zhost-config install --target=aarch64-unknown-linux-gnu --path . ; \
     else \
-        RUSTFLAGS="-Clinker-plugin-lto -Clinker=clang-${LLVM_VERSION} -Clink-arg=-fuse-ld=lld-${LLVM_VERSION}" cargo install --path . ; \
+        RUSTFLAGS="-Clinker-plugin-lto -Clinker=clang-${LLVM_VERSION} -Clink-arg=-fuse-ld=lld-${LLVM_VERSION}" cargo +nightly install --path . ; \
     fi
 
 FROM debian:bookworm-slim