diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index a0a2ad4b..b0374713 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -15,6 +15,8 @@ jobs:
     - uses: actions/checkout@v2
     - name: Install required build packages
       run: |
+       sudo apt-get update
+       sudo apt-get update --fix-missing
        sudo apt install build-essential
        sudo apt install gcc
        sudo apt install clang