diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 92784c6..23776cb 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -113,7 +113,7 @@ jobs:
       image: alpine:3.23
       options: --platform linux/386
     steps:
-      - run: apk add --update build-base postgresql18
+      - run: apk add --update build-base openrc postgresql18
       - run: rc-update add postgresql && rc-service postgresql start
       - run: |
           git clone https://github.com/${{ github.repository }}.git pgvector