diff --git a/.github/workflows/ccpp.yml b/.github/workflows/ccpp.yml
index 7027c16e..c52e306b 100644
--- a/.github/workflows/ccpp.yml
+++ b/.github/workflows/ccpp.yml
@@ -25,6 +25,8 @@ jobs:
     
     steps:
     - uses: actions/checkout@v1
+    - name: update package list
+      run: sudo apt-get update
     - name: install multilib
       run: sudo apt-get install gcc-multilib
     - name: make check C99 (32bits)