diff --git a/Dockerfile b/Dockerfile
index 3227cc8..a8de00e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -346,6 +346,7 @@ RUN --mount=type=cache,from=apt-base,source=/etc/apt,target=/etc/apt,ro \
     DEBIAN_FRONTEND=noninteractive apt-get install -y \
         g++-aarch64-linux-gnu \
         gcc-aarch64-linux-gnu \
+        binutils-aarch64-linux-gnu \
         libc6-dev-arm64-cross
 
 ##
diff --git a/bin/just-cargo b/bin/just-cargo
index d052ce8..24f2c3d 100755
--- a/bin/just-cargo
+++ b/bin/just-cargo
@@ -33,14 +33,12 @@ _rustflags-self-contained := "-Clink-self-contained=yes -Clinker=rust-lld -Clink
 # linux/arm64 + gnu
 export AR_aarch64_unknown_linux_gnu := _ar
 export CC_aarch64_unknown_linux_gnu := _clang
-export CFLAGS_aarch64_unknown_linux_gnu := '--sysroot=/usr/aarch64-linux-gnu'
 export STRIP_aarch64_unknown_linux_gnu := _strip
 export CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER := 'aarch64-linux-gnu-gcc'
 
 # linux/arm64 + musl
 export AR_aarch64_unknown_linux_musl := _ar
 export CC_aarch64_unknown_linux_musl := _clang
-export CFLAGS_aarch64_unknown_linux_musl := '--sysroot=/usr/aarch64-linux-gnu'
 export STRIP_aarch64_unknown_linux_musl := _strip
 export CARGO_TARGET_AARCH64_UNKNOWN_LINUX_MUSL_RUSTFLAGS := _rustflags-self-contained