diff --git a/CHANGELOG.md b/CHANGELOG.md
index 406e329370452579b7ea7160ad595ffe222683be..596eb8948ab62bf3da8fe793f8212381036be00d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# v1.2.3
+
+* _TBA_
+
 # v1.2.2
 
 * bugfix release: don't bind if queue is topic
diff --git a/coolamqp/__init__.py b/coolamqp/__init__.py
index 923b98792ed781575433329d19308055ba477fb3..e25c676cb52c8bd90126c78ce3de8f1389a26c49 100644
--- a/coolamqp/__init__.py
+++ b/coolamqp/__init__.py
@@ -1 +1 @@
-__version__ = '1.2.2'
+__version__ = '1.2.3_a1'