diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 84ee4c8..46a13f1 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -36,6 +36,11 @@ jobs:
       - name: Install dependencies
         run: composer install
 
+      - name: Install HEIF codecs for ImageMagick
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libheif-plugin-libde265
+
       - name: Setup problem matchers for PHP
         run: echo "::add-matcher::${{ runner.tool_cache }}/php.json"