diff -r 648b35f22b91 Lib/unittest/mock.py
--- a/Lib/unittest/mock.py	Fri Mar 06 12:18:06 2015 +0200
+++ b/Lib/unittest/mock.py	Sat Mar 07 12:42:35 2015 +0200
@@ -1668,7 +1668,7 @@
 )
 
 numerics = (
-    "add sub mul div floordiv mod lshift rshift and xor or pow truediv"
+    "add sub mul div floordiv mod lshift rshift and xor or pow truediv matmul"
 )
 inplace = ' '.join('i%s' % n for n in numerics.split())
 right = ' '.join('r%s' % n for n in numerics.split())
diff -r 648b35f22b91 Lib/unittest/test/testmock/testmagicmethods.py
--- a/Lib/unittest/test/testmock/testmagicmethods.py	Fri Mar 06 12:18:06 2015 +0200
+++ b/Lib/unittest/test/testmock/testmagicmethods.py	Sat Mar 07 12:42:35 2015 +0200
@@ -423,6 +423,11 @@
         self.assertEqual(list(m), [4, 5, 6])
         self.assertEqual(list(m), [])
 
+    def test_if_matmul_supported(self):
+        m = MagicMock()
+        foo = m @ 1
+        self.assertIsInstance(foo, MagicMock)
+
 
 if __name__ == '__main__':
     unittest.main()