diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index d5cd09a..afe35ec 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -15,8 +15,10 @@ jobs:
         uses: actions/setup-python@v2
         with:
           python-version: 3.9
-      - name: Install system dependencies
-        run: sudo apt-get install -y libkrb5-dev
+      - name: Install OS packages
+        run: |
+          sudo apt-get -y update
+          sudo apt-get install -y libkrb5-dev
       - name: Install Tox
         run: pip install tox
       - name: Run Tox