diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 104963852..186c48ebd 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -1055,6 +1055,8 @@ jobs:
     runs-on: ubuntu-20.04
 
     steps:
+    - run: sudo apt-get update
+
     - name: Checkout code
       uses: actions/checkout@v4