diff --git a/test/test_seen_issues_db.py b/test/test_seen_issues_db.py
index da0bdd0..8096e11 100644
--- a/test/test_seen_issues_db.py
+++ b/test/test_seen_issues_db.py
@@ -1,18 +1,18 @@
-import unittest
+import pytest
 
 from aider_gitea.seen_issues_db import SeenIssuesDB
 
 
-class TestSeenIssuesDB(unittest.TestCase):
-    def setUp(self):
+class TestSeenIssuesDB:
+    def setup_method(self):
         self.db = SeenIssuesDB(':memory:')
 
     def test_mark_and_check_seen_issue(self):
         issue_text = 'Test issue'
-        self.assertFalse(self.db.has_seen(issue_text))
+        assert not self.db.has_seen(issue_text)
         self.db.mark_as_seen(issue_text)
-        self.assertTrue(self.db.has_seen(issue_text))
+        assert self.db.has_seen(issue_text)
 
     def test_unseen_issue(self):
         issue_text = 'Unseen issue'
-        self.assertFalse(self.db.has_seen(issue_text))
+        assert not self.db.has_seen(issue_text)