diff --git a/Dockerfiles/ubuntu2204.dockerfile b/Dockerfiles/ubuntu2204.dockerfile
index 447bd87..7183195 100644
--- a/Dockerfiles/ubuntu2204.dockerfile
+++ b/Dockerfiles/ubuntu2204.dockerfile
@@ -8,7 +8,7 @@ ENV WT_VERSION=4.11.1
 RUN sed -i "s@http://.*archive.ubuntu.com@http://mirrors.tuna.tsinghua.edu.cn@g" /etc/apt/sources.list \
     && sed -i "s@http://.*security.ubuntu.com@http://mirrors.tuna.tsinghua.edu.cn@g" /etc/apt/sources.list \
     && apt update \
-    && apt install -y gcc g++ gdb cmake ninja-build pkg-config openssh-server git nano gpg ca-certificates \
+    && apt install -y cmake ninja-build pkg-config openssh-server git nano gpg ca-certificates \
         wget curl rsync lsb-release ubuntu-keyring gnupg2 bzip2 unzip zsh libssl-dev zlib1g-dev gettext jq htop tini \
     && install -m 0755 -d /etc/apt/keyrings \
     && curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc \
@@ -53,11 +53,7 @@ RUN cd /root \
     && apt update \
     && apt install -y software-properties-common \
     && add-apt-repository -y ppa:ubuntu-toolchain-r/test \
-    && apt install -y gcc-13 g++-13 \
-    && update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-13 60 \
-    && update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-13 60 \
-    && update-alternatives --config gcc \
-    && update-alternatives --config g++ \
+    && apt install -y gcc-13 g++-13 gdb \
     && apt clean \
     && rm -fr /var/lib/apt/lists/* /tmp/* /var/tmp/*