diff --git a/.github/workflows/units.yaml b/.github/workflows/units.yaml
index fcc032ceb..0ad269fdb 100644
--- a/.github/workflows/units.yaml
+++ b/.github/workflows/units.yaml
@@ -82,4 +82,6 @@ jobs:
         with:
           ruby-version: '3.0'
           bundler-cache: true
+      - name: install libpq
+        run: brew install libpq
       - run: mvn -B test -Ptest-all -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn