diff --git a/Dockerfile b/Dockerfile
index dcec8ce..d3cc9cb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,7 @@ ARG WIZER_VERSION=04e49c989542f2bf3a112d60fbf88a62cce2d0d0
 ARG EMSDK_VERSION=3.1.40 # TODO: support recent version
 ARG EMSDK_VERSION_QEMU=3.1.50 # TODO: support recent version
 ARG BINARYEN_VERSION=114
-ARG BUSYBOX_VERSION=1_36_1
+ARG BUSYBOX_VERSION=1.36.1
 ARG RUNC_VERSION=v1.2.0-rc.2
 
 # ARG LINUX_LOGLEVEL=0
@@ -216,10 +216,12 @@ FROM binfmt-$TARGETARCH AS binfmt-dev
 
 FROM gcc-riscv64-linux-gnu-base AS busybox-riscv64-dev
 ARG BUSYBOX_VERSION
-RUN apt-get update -y && apt-get install -y gcc bzip2
+RUN apt-get update -y && apt-get install -y gcc bzip2 wget
 WORKDIR /work
-RUN git clone -b $BUSYBOX_VERSION --depth 1 https://git.busybox.net/busybox
-WORKDIR /work/busybox
+RUN wget https://busybox.net/downloads/busybox-${BUSYBOX_VERSION}.tar.bz2
+RUN bzip2 -d busybox-${BUSYBOX_VERSION}.tar.bz2
+RUN tar xvf busybox-${BUSYBOX_VERSION}.tar
+WORKDIR /work/busybox-${BUSYBOX_VERSION}
 RUN make CROSS_COMPILE=riscv64-linux-gnu- LDFLAGS=--static defconfig
 RUN make CROSS_COMPILE=riscv64-linux-gnu- LDFLAGS=--static -j$(nproc)
 RUN mkdir -p /out/bin && mv busybox /out/bin/busybox
@@ -502,10 +504,12 @@ COPY --link --from=linux-amd64-config-dev /work-buildlinux/linux/.config /
 
 FROM gcc-x86-64-linux-gnu-base AS busybox-amd64-dev
 ARG BUSYBOX_VERSION
-RUN apt-get update -y && apt-get install -y gcc bzip2
+RUN apt-get update -y && apt-get install -y gcc bzip2 wget
 WORKDIR /work
-RUN git clone -b $BUSYBOX_VERSION --depth 1 https://git.busybox.net/busybox
-WORKDIR /work/busybox
+RUN wget https://busybox.net/downloads/busybox-${BUSYBOX_VERSION}.tar.bz2
+RUN bzip2 -d busybox-${BUSYBOX_VERSION}.tar.bz2
+RUN tar xvf busybox-${BUSYBOX_VERSION}.tar
+WORKDIR /work/busybox-${BUSYBOX_VERSION}
 RUN make CROSS_COMPILE=x86_64-linux-gnu- LDFLAGS=--static defconfig
 RUN make CROSS_COMPILE=x86_64-linux-gnu- LDFLAGS=--static -j$(nproc)
 RUN mkdir -p /out/bin && mv busybox /out/bin/busybox
@@ -624,10 +628,12 @@ COPY --link --from=linux-aarch64-config-dev /work-buildlinux/linux/.config /
 
 FROM gcc-aarch64-linux-gnu-base AS busybox-aarch64-dev
 ARG BUSYBOX_VERSION
-RUN apt-get update -y && apt-get install -y gcc bzip2
+RUN apt-get update -y && apt-get install -y gcc bzip2 wget
 WORKDIR /work
-RUN git clone -b $BUSYBOX_VERSION --depth 1 https://git.busybox.net/busybox
-WORKDIR /work/busybox
+RUN wget https://busybox.net/downloads/busybox-${BUSYBOX_VERSION}.tar.bz2
+RUN bzip2 -d busybox-${BUSYBOX_VERSION}.tar.bz2
+RUN tar xvf busybox-${BUSYBOX_VERSION}.tar
+WORKDIR /work/busybox-${BUSYBOX_VERSION}
 RUN make CROSS_COMPILE=aarch64-linux-gnu- LDFLAGS=--static defconfig
 RUN make CROSS_COMPILE=aarch64-linux-gnu- LDFLAGS=--static -j$(nproc)
 RUN mkdir -p /out/bin && mv busybox /out/bin/busybox
diff --git a/examples/raspi3ap-qemu/image/Dockerfile b/examples/raspi3ap-qemu/image/Dockerfile
index a27facd..0c43c7c 100644
--- a/examples/raspi3ap-qemu/image/Dockerfile
+++ b/examples/raspi3ap-qemu/image/Dockerfile
@@ -1,13 +1,15 @@
-ARG BUSYBOX_VERSION=1_36_1
+ARG BUSYBOX_VERSION=1.36.1
 ARG KERNEL_TAG=1.20230405
 
 FROM ubuntu:22.04 AS rootfs-dev
 RUN apt-get update && apt-get install -y gcc-aarch64-linux-gnu linux-libc-dev-arm64-cross git make
 ARG BUSYBOX_VERSION
-RUN apt-get update -y && apt-get install -y gcc bzip2
+RUN apt-get update -y && apt-get install -y gcc bzip2 wget
 WORKDIR /work
-RUN git clone -b $BUSYBOX_VERSION --depth 1 https://git.busybox.net/busybox
-WORKDIR /work/busybox
+RUN wget https://busybox.net/downloads/busybox-${BUSYBOX_VERSION}.tar.bz2
+RUN bzip2 -d busybox-${BUSYBOX_VERSION}.tar.bz2
+RUN tar xvf busybox-${BUSYBOX_VERSION}.tar
+WORKDIR /work/busybox-${BUSYBOX_VERSION}
 RUN make CROSS_COMPILE=aarch64-linux-gnu- LDFLAGS=--static defconfig
 RUN make CROSS_COMPILE=aarch64-linux-gnu- LDFLAGS=--static -j$(nproc)
 RUN mkdir -p /rootfs/bin && mv busybox /rootfs/bin/busybox