diff --git a/.github/workflows/generate-preview-images.yml b/.github/workflows/generate-preview-images.yml
index 6b5350056..c89e97181 100644
--- a/.github/workflows/generate-preview-images.yml
+++ b/.github/workflows/generate-preview-images.yml
@@ -17,7 +17,9 @@ jobs:
           fetch-depth: 0
 
       - name: Install cwebp and imagemagick
-        run: sudo apt-get install -y webp imagemagick
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y webp imagemagick
       - name: Run a script
         run: |
           ADD_TO_GIT=true bash -x automation/gen-all-blogs-previews.sh