diff --git a/CHANGELOG.md b/CHANGELOG.md
index 41ef4c6f0c742bf7611ccafebdcf69b05a8d3a0f..629d5e6dc13c96d72bf0529f4cac3f682f8c3dc4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,5 @@ The changelog is kept as [release notes](https://github.com/smok-serwis/coolamqp
 on GitHub. This file serves to only note what changes
 have been made so far, between releases.
 
-# v1.2.9
-
-* allow calling ack() and nack() multiple times
+# v1.2.10
 
diff --git a/coolamqp/__init__.py b/coolamqp/__init__.py
index 5089ceda19c1041ccdb4a2535f87c1fd4fe44b16..13a2f75f03bde81c8d1030e8628df611339bcfde 100644
--- a/coolamqp/__init__.py
+++ b/coolamqp/__init__.py
@@ -1 +1 @@
-__version__ = '1.2.9'
+__version__ = '1.2.10_a1'
diff --git a/tests/test_clustering/test_a.py b/tests/test_clustering/test_a.py
index eb71d466e38699321f78c3bc3db6924b46e7b4f1..d982b65f3828292c2cdff9b4a0a99ee381f04b0e 100644
--- a/tests/test_clustering/test_a.py
+++ b/tests/test_clustering/test_a.py
@@ -134,6 +134,7 @@ class TestA(unittest.TestCase):
         time.sleep(1)
 
         self.assertTrue(p['q'])
+        self.assertEquals(p['count'], 2)
 
     def test_message_with_propos_confirm(self):
         P = {'q': False}