diff --git a/.gitea/workflows/ci.yaml b/.gitea/workflows/ci.yaml
index 024e64f..7f7a3cd 100644
--- a/.gitea/workflows/ci.yaml
+++ b/.gitea/workflows/ci.yaml
@@ -912,6 +912,7 @@ jobs:
 
       - name: Validate nginx config
         run: |
+          apk add --no-cache openssl
           mkdir -p /etc/nginx/http.d /etc/nginx/certs
           cp $(pwd)/nginx/conf.d/default.conf /etc/nginx/http.d/default.conf
           # Create dummy TLS certs so nginx -t can resolve ssl_certificate paths