diff --git a/emmental/__init__.py b/emmental/__init__.py
index 4f5c26e..51adbba 100644
--- a/emmental/__init__.py
+++ b/emmental/__init__.py
@@ -21,7 +21,7 @@ from gi.repository import Adw
 
 MAJOR_VERSION = 3
 MINOR_VERSION = 1
-MICRO_VERSION = 0
+MICRO_VERSION = 1
 
 VERSION_NUMBER = f"{MAJOR_VERSION}.{MINOR_VERSION}.{MICRO_VERSION}"
 VERSION_STRING = f"Emmental {VERSION_NUMBER}{gsetup.DEBUG_STR}"
diff --git a/tests/test_emmental.py b/tests/test_emmental.py
index 583dfc7..8d178c7 100644
--- a/tests/test_emmental.py
+++ b/tests/test_emmental.py
@@ -22,9 +22,9 @@ class TestEmmental(unittest.TestCase):
         """Check that version constants have been set properly."""
         self.assertEqual(emmental.MAJOR_VERSION, 3)
         self.assertEqual(emmental.MINOR_VERSION, 1)
-        self.assertEqual(emmental.MICRO_VERSION, 0)
-        self.assertEqual(emmental.VERSION_NUMBER, "3.1.0")
-        self.assertEqual(emmental.VERSION_STRING, "Emmental 3.1.0-debug")
+        self.assertEqual(emmental.MICRO_VERSION, 1)
+        self.assertEqual(emmental.VERSION_NUMBER, "3.1.1")
+        self.assertEqual(emmental.VERSION_STRING, "Emmental 3.1.1-debug")
 
     def test_application(self):
         """Check that the application instance is initialized properly."""
@@ -63,7 +63,7 @@ class TestEmmental(unittest.TestCase):
         mock_startup.assert_called()
         mock_load.assert_called()
         mock_add_window.assert_called_with(self.application.win)
-        mock_set_useragent.assert_called_with("emmental-debug", "3.1.0")
+        mock_set_useragent.assert_called_with("emmental-debug", "3.1.1")
 
     @unittest.mock.patch("sys.stdout")
     @unittest.mock.patch("gi.repository.Adw.Application.add_window")