diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 782c207..aba3dbd 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,12 +12,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - name: Setup environment
-      run: |
-        sudo add-apt-repository ppa:ubuntu-toolchain-r/test
-        sudo apt-get update
-        sudo apt-get install ninja-build
-        sudo apt-get install texlive*
+    - name: Install apt dependencies with cache
+      uses: awalsh128/cache-apt-pkgs-action@v1.4.2
+      with:
+        packages: ninja-build texlive-base texlive-latex-extra
+        version: 1.0
     - name: Build
       run: |
         find . -iname '*.tex' -execdir pdflatex -output-directory $GITHUB_WORKSPACE {} \; || exit 1