diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 08edb53..e09a325 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -6,41 +6,40 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
-    container: archlinux:latest
+    runs-on: ubuntu-22.04
     steps:
-    - name: Install dependencies
-      run: pacman -Syu --noconfirm git fontforge curl p7zip jq
-    - uses: actions/checkout@v2
-    - name: Grab latest version
-      run: |
-        curl -L https://api.github.com/repos/be5invis/Sarasa-Gothic/releases/latest -o api.json
-        UPSTREAM_VERSION=$(cat api.json | jq -r .tag_name)
-        DOWNLOAD_URL=$(cat api.json | jq -r '.assets[] | select(.name | test("sarasa-gothic-ttc-(?!unhinted)")) | .browser_download_url')
-        echo "UPSTREAM_VERSION=$UPSTREAM_VERSION" >> $GITHUB_ENV
-        echo "DOWNLOAD_URL=$DOWNLOAD_URL" >> $GITHUB_ENV
-    - name: Download font
-      run: curl -Lvo /tmp/ttc.7z $DOWNLOAD_URL
-    - name: Extract font
-      run: 7z x -odata /tmp/ttc.7z
-    - name: Run script
-      run: |
-        mkdir out
-        python3 extract.py
-    - name: Compress font
-      run: |
-        cd out
-        7z a ../out.zip *
-    - name: Upload artifact
-      uses: actions/upload-artifact@v2
-      with:
-        name: out
-        path: out
-    - name: Upload release
-      uses: marvinpinto/action-automatic-releases@latest
-      with:
-        repo_token: "${{ secrets.GITHUB_TOKEN }}"
-        automatic_release_tag: "upstream-${{ env.UPSTREAM_VERSION }}"
-        prerelease: true
-        title: Nightly build
-        files: out.zip
+      - name: Install dependencies
+        run: sudo apt install git fontforge curl p7zip-full jq python3 python3-fontforge
+      - uses: actions/checkout@v2
+      - name: Grab latest version
+        run: |
+          curl -L https://api.github.com/repos/be5invis/Sarasa-Gothic/releases/latest -o api.json
+          UPSTREAM_VERSION=$(cat api.json | jq -r .tag_name)
+          DOWNLOAD_URL=$(cat api.json | jq -r '.assets[] | select(.name | test("Sarasa-TTC-(?!Unhinted)")) | select(.content_type|test("application/x-compressed")) | .browser_download_url')
+          echo "UPSTREAM_VERSION=$UPSTREAM_VERSION" >> $GITHUB_ENV
+          echo "DOWNLOAD_URL=$DOWNLOAD_URL" >> $GITHUB_ENV
+      - name: Download font
+        run: curl -Lvo /tmp/ttc.7z $DOWNLOAD_URL
+      - name: Extract font
+        run: 7z x -odata /tmp/ttc.7z
+      - name: Run script
+        run: |
+          mkdir out
+          python3 extract.py
+      - name: Compress font
+        run: |
+          cd out
+          7z a ../out.7z * -mx=9 -md=512m -ms=on 
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: out
+          path: out
+      - name: Upload release
+        uses: marvinpinto/action-automatic-releases@latest
+        with:
+          repo_token: "${{ secrets.GITHUB_TOKEN }}"
+          automatic_release_tag: "upstream-${{ env.UPSTREAM_VERSION }}"
+          prerelease: true
+          title: Nightly build
+          files: out.7z
diff --git a/extract.py b/extract.py
index 0688b16..2d4a439 100644
--- a/extract.py
+++ b/extract.py
@@ -26,6 +26,9 @@ def edit(self):
     if self.variant == "Regular":
       enus = enusr
       zhcn = zhcnr
+    if self.variant == "ExtraLight":
+      enus = enusr + " " + "Light"
+      zhcn = zhcnr + " " + "Light"
     # self.font.fullname = enus
     self.font.fontname = enus.replace(" ", "")
     self.font.fullname = enus
@@ -92,4 +95,4 @@ def transformVariant(input):
 
 for ttc in listTtc("data/*.ttc"):
   print(ttc)
-  ttc.build()
\ No newline at end of file
+  ttc.build()