diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6044a99..2d98f00 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -36,17 +36,17 @@ jobs:
       matrix:
         platform:
           - os_name: linux-x86_64
-            os: ubuntu-22.04
+            os: ubuntu-20.04
             target: x86_64-unknown-linux-gnu
             bin: skynet
             name: skynet-linux-x86_64.tar.gz
           - os_name: linux-i686
-            os: ubuntu-22.04
+            os: ubuntu-20.04
             target: i686-unknown-linux-gnu
             bin: skynet
             name: skynet-linux-i686.tar.gz
           - os_name: linux-aarch64
-            os: ubuntu-22.04
+            os: ubuntu-20.04
             target: aarch64-unknown-linux-gnu
             bin: skynet
             name: skynet-linux-aarch64.tar.gz
@@ -81,6 +81,12 @@ jobs:
         shell: bash
         run: |
           echo "${{ steps.protoc-install.outputs.path }}" >> $GITHUB_PATH
+      - name: Update gcc
+        if: ${{ matrix.platform.os == 'ubuntu-20.04'}}
+        shell: bash
+        run: |
+          echo "CC=gcc-10" >> $GITHUB_ENV
+          echo "CXX=g++-10" >> $GITHUB_ENV
       - name: Build binary
         uses: houseabsolute/actions-rust-cross@v0
         with:
diff --git a/.github/workflows/plugin_release.yml b/.github/workflows/plugin_release.yml
index c85b02a..43e5494 100644
--- a/.github/workflows/plugin_release.yml
+++ b/.github/workflows/plugin_release.yml
@@ -35,15 +35,15 @@ jobs:
       matrix:
         platform:
           - os_name: linux-x86_64
-            os: ubuntu-22.04
+            os: ubuntu-20.04
             target: x86_64-unknown-linux-gnu
             lib: lib$d.so
           - os_name: linux-i686
-            os: ubuntu-22.04
+            os: ubuntu-20.04
             target: i686-unknown-linux-gnu
             lib: lib$d.so
           - os_name: linux-aarch64
-            os: ubuntu-22.04
+            os: ubuntu-20.04
             target: aarch64-unknown-linux-gnu
             lib: lib$d.so
           - os_name: windows-x86_64
@@ -74,6 +74,12 @@ jobs:
         shell: bash
         run: |
           echo "${{ steps.protoc-install.outputs.path }}" >> $GITHUB_PATH
+      - name: Update gcc
+        if: ${{ matrix.platform.os == 'ubuntu-20.04'}}
+        shell: bash
+        run: |
+          echo "CC=gcc-10" >> $GITHUB_ENV
+          echo "CXX=g++-10" >> $GITHUB_ENV
       - name: Build binary
         uses: houseabsolute/actions-rust-cross@v0
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ce4a518..de8b9c2 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -35,17 +35,17 @@ jobs:
       matrix:
         platform:
           - os_name: linux-x86_64
-            os: ubuntu-22.04
+            os: ubuntu-20.04
             target: x86_64-unknown-linux-gnu
             bin: skynet
             name: skynet-linux-x86_64.tar.gz
           - os_name: linux-i686
-            os: ubuntu-22.04
+            os: ubuntu-20.04
             target: i686-unknown-linux-gnu
             bin: skynet
             name: skynet-linux-i686.tar.gz
           - os_name: linux-aarch64
-            os: ubuntu-22.04
+            os: ubuntu-20.04
             target: aarch64-unknown-linux-gnu
             bin: skynet
             name: skynet-linux-aarch64.tar.gz
@@ -80,6 +80,12 @@ jobs:
         shell: bash
         run: |
           echo "${{ steps.protoc-install.outputs.path }}" >> $GITHUB_PATH
+      - name: Update gcc
+        if: ${{ matrix.platform.os == 'ubuntu-20.04'}}
+        shell: bash
+        run: |
+          echo "CC=gcc-10" >> $GITHUB_ENV
+          echo "CXX=g++-10" >> $GITHUB_ENV
       - name: Build binary
         uses: houseabsolute/actions-rust-cross@v0
         with:
diff --git a/Dockerfile b/Dockerfile
index 44bcc11..047191e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:22.04
+FROM ubuntu:latest
 ARG TARGETARCH
 
 RUN useradd -s /usr/sbin/nologin -r -c "Skynet User" skynet
diff --git a/README.md b/README.md
index 4c3a498..a9d5f01 100644
--- a/README.md
+++ b/README.md
@@ -15,10 +15,12 @@ We offer pre-built `x86_64` and `aarch64` docker images.
 2. `docker-compose up`
 3. Visit `localhost:8080`.
 
-### Pre-built libraries
+### Run natively
 **We do not recommend this method, use at your own risk!**
 
-You can download pre-built libraries in our [release](https://github.com/MXWXZ/skynet/releases) page. Linux versions are built under ubuntu-22.04. If you meet glibc version errors, please build from source.
+You can download pre-built libraries in our [release](https://github.com/MXWXZ/skynet/releases) page.
+
+We offer `linux-{x86_64,i686,aarch64}`, `darwin-{x86_64,aarch64}` and `windows-x86_64` binaries. You might build from source if your platform is not included.
 
 1. Download the release and extract.
 2. (Optional) Install redis on your machine.