apt-get update

.github/workflows/ci.yaml

@@ -22,7 +22,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
       - name: Packages
-        run: sudo apt-get install -y curl build-essential libsqlite3-dev libssl-dev clang cmake ninja-build pkg-config libgtk-3-dev
+        run: sudo apt-get update && sudo apt-get install -y curl build-essential libsqlite3-dev libssl-dev clang cmake ninja-build pkg-config libgtk-3-dev
       - name: Rust
         run: |
           curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh