diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 0d4889f..8e84b1c 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -22,8 +22,21 @@ jobs:
       - name: 📥 Checkout
         uses: actions/checkout@v4
 
+      - name: Install PHP runtime dependencies
+        run: |
+          apt_prefix=""
+
+          if [ "$(id -u)" -ne 0 ]; then
+            apt_prefix="sudo"
+          fi
+
+          $apt_prefix apt-get update
+          $apt_prefix apt-get install -y --no-install-recommends libsodium23
+
       - name: 🐘 Setup PHP
         uses: shivammathur/setup-php@v2
+        env:
+          fail-fast: true
         with:
           php-version: '8.4'
           extensions: bcmath,ctype,curl,dom,fileinfo,intl,mbstring,openssl,pdo,tokenizer,xml,zip