diff --git a/.travis.yml b/.travis.yml
index a7df0250..9761c43f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,7 +6,7 @@ services:
     - docker
 before_install:
     - docker pull postgres:10
-    - docker run -it -d -e POSTGRES_DB=onlinejudge -e POSTGRES_USER=onlinejudge -e POSTGRES_PASSWORD=onlinejudge -p 127.0.0.1:5432:5432 postgres:10
+    - docker run -it -d -e POSTGRES_DB=onlinejudge -e POSTGRES_USER=onlinejudge -e POSTGRES_PASSWORD=onlinejudge -p 127.0.0.1:5433:5432 postgres:10
 install:
     - pip install -r deploy/requirements.txt
     - cp oj/custom_settings.example.py oj/custom_settings.py
diff --git a/oj/dev_settings.py b/oj/dev_settings.py
index 49d3f73d..5c75a0b2 100644
--- a/oj/dev_settings.py
+++ b/oj/dev_settings.py
@@ -7,7 +7,7 @@ DATABASES = {
     'default': {
         'ENGINE': 'django.db.backends.postgresql_psycopg2',
         'HOST': '127.0.0.1',
-        'PORT': 5432,
+        'PORT': 5433,
         'NAME': "onlinejudge",
         'USER': "onlinejudge",
         'PASSWORD': 'onlinejudge'