diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 0ae7f37..df99621 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -53,7 +53,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        platform: [windows-latest, ubuntu-latest]
+        platform: [windows-latest, ubuntu-22.04]
 
     runs-on: ${{ matrix.platform }}
     steps:
@@ -65,9 +65,8 @@ jobs:
       - name: install Rust stable
         uses: dtolnay/rust-toolchain@stable
       - name: install dependencies (ubuntu only)
-        if: matrix.platform == 'ubuntu-latest'
+        if: matrix.platform == 'ubuntu-22.04'
         run: |
-          sudo echo “deb http://archive.ubuntu.com/ubuntu/jammy main” >> /etc/apt/sources.list
           sudo apt-get update
           sudo apt-get install -y gir1.2-webkit2-4.0=2.44.3-0ubuntu0.22.04.1 libjavascriptcoregtk-4.0-dev libjavascriptcoregtk-4.0-18=2.36.0-2ubuntu1 libgtk-3-dev libwebkit2gtk-4.0-dev=2.36.0-2ubuntu1 libwebkit2gtk-4.0-37=2.36.0-2ubuntu1 libwebkit2gtk-4.0-37=2.36.0-2ubuntu1 libappindicator3-dev librsvg2-dev patchelf gir1.2-javascriptcoregtk-4.0
       - name: install frontend dependencies