diff --git a/deployment/docker/ci/docker-compose.postgres.yml b/deployment/docker/ci/docker-compose.postgres.yml
index f7139d4c..be57dc1a 100644
--- a/deployment/docker/ci/docker-compose.postgres.yml
+++ b/deployment/docker/ci/docker-compose.postgres.yml
@@ -16,10 +16,10 @@ services:
       context: ./../../../
       dockerfile: ./deployment/docker/ci/Dockerfile
     environment:
-      SEMAPHORE_DB_DIALECT: mysql
+      SEMAPHORE_DB_DIALECT: postgres
       SEMAPHORE_DB_USER: semaphore
       SEMAPHORE_DB_PASS: semaphore
-      SEMAPHORE_DB_HOST: mysql
+      SEMAPHORE_DB_HOST: postgres
       SEMAPHORE_DB_PORT: 3306
       SEMAPHORE_DB: semaphore
       SEMAPHORE_ADMIN_PASSWORD: password