diff --git a/.github/workflows/jekyll.yml b/.github/workflows/jekyll.yml
index a9a83fd..58c24eb 100644
--- a/.github/workflows/jekyll.yml
+++ b/.github/workflows/jekyll.yml
@@ -31,6 +31,8 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
+      - name: Install dependencies
+        run: sudo apt-get install libvips-tools
       - name: Checkout
         uses: actions/checkout@v4
       - name: Setup Ruby