diff --git a/lib/test_version.py b/lib/test_version.py
index b8cd96e..dacde80 100644
--- a/lib/test_version.py
+++ b/lib/test_version.py
@@ -5,9 +5,9 @@ import unittest
 class TestVersion(unittest.TestCase):
     def test_version(self):
         self.assertEqual(version.MAJOR, 2)
-        self.assertEqual(version.MINOR, 3)
+        self.assertEqual(version.MINOR, 4)
 
         self.assertTrue(version.DEBUG)
         self.assertTrue(version.TESTING)
 
-        self.assertEqual(version.string(), "Emmental 2.3-debug")
+        self.assertEqual(version.string(), "Emmental 2.4-debug")
diff --git a/lib/version.py b/lib/version.py
index 0760bb5..ac97a39 100644
--- a/lib/version.py
+++ b/lib/version.py
@@ -2,7 +2,7 @@
 import os
 
 MAJOR = 2
-MINOR = 3
+MINOR = 4
 
 DEBUG = False
 if os.path.exists(".debug"):