diff --git a/.drone.yml b/.drone.yml
deleted file mode 100644
index 0df041e..0000000
--- a/.drone.yml
+++ /dev/null
@@ -1,24 +0,0 @@
----
-kind: pipeline
-type: docker
-name: Build
-
-trigger:
-  event:
-    - push
-    - custom
-
-steps:
-  - name: Build & Upload
-    image: ubuntu:22.04
-    commands:
-      - sed -i 's@//.*archive.ubuntu.com@//mirror-cdn.xtom.com@g' /etc/apt/sources.list &&
-        sed -i 's@//security.ubuntu.com@//mirror-cdn.xtom.com@g' /etc/apt/sources.list
-      - apt update &&
-        apt install -y curl flex bzip2 git make gcc g++ libgmp-dev libmpfr-dev libmpc-dev gcc-multilib
-      - bash build.sh
-    environment:
-      GITEA_ENDPOINT: https://git.m.ac
-      GITEA_USER: baoshuo
-      GITEA_TOKEN:
-        from_secret: GITEA_TOKEN
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..80a2595
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,26 @@
+name: Build & Publish
+
+on:
+  push:
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install Dependencies
+        run: |
+          apt update &&
+          apt install -y curl flex bzip2 git make gcc g++ libgmp-dev libmpfr-dev libmpc-dev gcc-multilib
+      - name: Build
+        run: bash build.sh
+      - name: Upload
+        run: |
+          curl --user "${GITEA_USER}:${GITEA_TOKEN}" \
+            --upload-file "s2oj-gcc-$(cat GCC_VERSION)~1baoshuo1.deb" \
+            ${GITEA_ENDPOINT}/api/packages/${GITEA_USER}/debian/pool/all/main/upload
+        env:
+          GITEA_ENDPOINT: https://git.m.ac
+          GITEA_USER: baoshuo
+          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
diff --git a/GCC_VERSION b/GCC_VERSION
new file mode 100644
index 0000000..67aee23
--- /dev/null
+++ b/GCC_VERSION
@@ -0,0 +1 @@
+13.2.0
diff --git a/build.sh b/build.sh
index 6f6c6e2..3611fd5 100644
--- a/build.sh
+++ b/build.sh
@@ -1,9 +1,8 @@
 #!/bin/bash
 
 CURRENT_DIR=$(pwd)
-GCC_VERSION="13.2.0"
-# GCC_GIT="git://gcc.gnu.org/git/gcc.git"
-GCC_GIT="https://git.m.ac/mirrors/gcc.git"
+GCC_VERSION=$(cat GCC_VERSION)
+GCC_GIT="git://gcc.gnu.org/git/gcc.git"
 GCC_SRC="${CURRENT_DIR}/../gcc"
 
 build_cd() {
@@ -11,6 +10,11 @@ build_cd() {
   echo "****** Now at: $(pwd)"
 }
 
+if [ -z "$GCC_VERSION" ]; then
+  echo "GCC_VERSION not set!"
+  exit 1
+fi
+
 # Clone GCC
 echo "===> Cloning GCC..."
 git clone -b "releases/gcc-$GCC_VERSION" --depth 1 "${GCC_GIT}" "${GCC_SRC}"
@@ -59,9 +63,3 @@ Description: GCC $GCC_VERSION for S2OJ
 EOF
 build_cd ${CURRENT_DIR}
 dpkg-deb --build deb s2oj-gcc-$GCC_VERSION~1baoshuo1.deb
-
-# Upload package to Gitea
-echo "===> Uploading package to Gitea..."
-curl --user "${GITEA_USER}:${GITEA_TOKEN}" \
-     --upload-file s2oj-gcc-$GCC_VERSION~1baoshuo1.deb \
-     ${GITEA_ENDPOINT}/api/packages/${GITEA_USER}/debian/pool/all/main/upload
diff --git a/deb/.gitkeep b/deb/.gitkeep
deleted file mode 100644
index e69de29..0000000