diff --git a/.github/workflows/unit_test.yml b/.github/workflows/unit_test.yml
index 307e3375..14d3d449 100644
--- a/.github/workflows/unit_test.yml
+++ b/.github/workflows/unit_test.yml
@@ -21,7 +21,6 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
       - name: Install eccodes
         run : |
-          sudo apt-get update
           sudo apt-get install -y libeccodes-dev
       - name: Install dependencies
         shell: bash