diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1f4ed37aa17bbd14ad4084350c5c8616b0a3e7d3..7e7a033bf61775d70138734aea6294d254d4314f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -72,6 +72,8 @@ build-frontend:
 install-backend:
   stage: dependencies
   image: maven:3.6.3-openjdk-17
+  services:
+    - postgres
   script:
     - cd ./backend/
     - mvn -B dependency:resolve