diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 3d6563a6..35907239 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -24,7 +24,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Install OS packages
-        run: sudo apt-get install imagemagick graphicsmagick dcraw ffmpeg git
+        run: sudo apt-get update && sudo apt-get upgrade && sudo apt-get install imagemagick graphicsmagick dcraw ffmpeg git
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2