diff --git a/.circleci/config.yml b/.circleci/config.yml
index 38dbe61..9604aeb 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -12,13 +12,15 @@ jobs:
             sudo pip install Django
             sudo pip install social-auth-app-django
       - run:
-          name: Install flake8
+          name: Install flake8 and mypy
           command: |
             sudo pip install flake8
+            sudo pip install mypy
       - run:
           name: Lint Check
           command: |
             flake8
+            mypy --ignore-missing-imports judge/
       - run:
           name: Django tests
           command: |
diff --git a/judge/migrations/0001_initial.py b/judge/migrations/0001_initial.py
index 8bdf104..1cf0006 100644
--- a/judge/migrations/0001_initial.py
+++ b/judge/migrations/0001_initial.py
@@ -8,13 +8,15 @@
 import judge.models
 import uuid
 
+from typing import Tuple, List
+
 
 class Migration(migrations.Migration):
 
     initial = True
 
     dependencies = [
-    ]
+    ]  # type: List[Tuple[str, str]]
 
     operations = [
         migrations.CreateModel(