diff --git a/satella/__init__.py b/satella/__init__.py
index 13bf4972493defe1d6bcf7b659a4c4395c8278a7..fd3c76e6ed3c45a62101af6a2b0d0d8e9d648398 100644
--- a/satella/__init__.py
+++ b/satella/__init__.py
@@ -1 +1 @@
-__version__ = '2.24.1a5'
+__version__ = '2.24.1a6'
diff --git a/tests/test_coding/test_overloading.py b/tests/test_coding/test_overloading.py
index 931bed3f1a3191ed8a8d8216518783ada89e3f91..be72a045f1682bba42b0a027ed23a40bc31cceb5 100644
--- a/tests/test_coding/test_overloading.py
+++ b/tests/test_coding/test_overloading.py
@@ -23,4 +23,5 @@ class TestOverloading(unittest.TestCase):
             self.assertIsInstance(i, str)
 
         fun(2)
+        self.assertRaises(TypeError, lambda: fun(2.5))
         fun('test')