diff --git a/README.md b/README.md
index 740116243..be7948b16 100644
--- a/README.md
+++ b/README.md
@@ -39,13 +39,11 @@ Notice:
    sudo apt update -y
    sudo apt install -y ack antlr3 asciidoc autoconf automake autopoint binutils bison build-essential \
    bzip2 ccache cmake cpio curl device-tree-compiler fastjar flex gawk gettext gcc-multilib g++-multilib \
-   git gperf haveged help2man intltool libc6-dev-i386 libelf-dev libglib2.0-dev libgmp3-dev libltdl-dev vpnc \
-   libmpc-dev libmpfr-dev libncurses5-dev libncursesw5-dev libreadline-dev libssl-dev libtool lrzsz aria2 lib32gcc-s1 \
-   mkisofs msmtp nano ninja-build p7zip p7zip-full patch pkgconf python2.7 python3 python3-pip libpython3-dev qemu-utils \
-   rsync scons squashfs-tools subversion swig texinfo uglifyjs upx-ucl unzip vim wget xmlto xxd zlib1g-dev libfuse-dev \
-   python3-pyelftools
-
-   pip3 install pylibfdt -i https://pypi.tuna.tsinghua.edu.cn/simple
+   git gperf haveged help2man intltool libc6-dev-i386 libelf-dev libfuse-dev libglib2.0-dev libgmp3-dev \
+   libltdl-dev libmpc-dev libmpfr-dev libncurses5-dev libncursesw5-dev libpython3-dev libreadline-dev \
+   libssl-dev libtool lrzsz mkisofs msmtp ninja-build p7zip p7zip-full patch pkgconf python2.7 python3 \
+   python3-pyelftools python3-setuptools qemu-utils rsync scons squashfs-tools subversion swig texinfo \
+   uglifyjs upx-ucl unzip vim wget xmlto xxd zlib1g-dev
    ```
 
 3. Download source code, update feeds and choose configuration
@@ -62,7 +60,7 @@ Notice:
 
 6. Enter `make -j10 V=s` (-j1 is followed by the number of threads. It is recommended to use single thread for the first compilation) to start compiling the firmware you want.
 
-This set of code is guaranteed to compile successfully. It includes all source codes of R21, including IPK.
+This set of code is guaranteed to compile successfully. It includes all source codes of R24, including IPK.
 
 Second compilation:
 ```bash