diff --git a/.github/workflows/python-ci.yml b/.github/workflows/python-ci.yml
index 126aebc..ec36668 100644
--- a/.github/workflows/python-ci.yml
+++ b/.github/workflows/python-ci.yml
@@ -17,7 +17,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Set up required system dependencies
-      run: apt-get -y install pdftk texlive-latex-base texlive-latex-extra texlive-fonts-recommended texlive-fonts-extra
+      run: sudo apt-get -y install pdftk texlive-latex-base texlive-latex-extra texlive-fonts-recommended texlive-fonts-extra
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4.0.0
       with: