diff --git a/scripts/docker-postgres.sh b/scripts/docker-postgres.sh
index a9ddf21e14..5d78b7a854 100755
--- a/scripts/docker-postgres.sh
+++ b/scripts/docker-postgres.sh
@@ -24,8 +24,8 @@ done
 
 export TEST_DATABASE_URL=postgres://postgres:$POSTGRES_PASSWORD@$database_host:$PGPORT/postgres
 
-npm install
+yarn
 DATABASE_URL=$TEST_DATABASE_URL ./node_modules/.bin/db-migrate up
-npm test
+yarn test
 docker stop $HASH
 docker rm $HASH