diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4ae2210d0a0296ba184a3fef402060ae06fe0cd9..60e90388b72f563bb15ced09fe3c949f02d05cea 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,4 @@ 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.
 
-# v1.2.12
-
-* added `LoggingFrameTracer` and `HoldingFrameTracer`
+# v1.2.13
diff --git a/coolamqp/__init__.py b/coolamqp/__init__.py
index 5302b4a03ef69d254d79adb922f49d09c7963e80..538dd8e6d562135edd2208926c4b35d7b32178d6 100644
--- a/coolamqp/__init__.py
+++ b/coolamqp/__init__.py
@@ -1 +1 @@
-__version__ = '1.2.12'
+__version__ = '1.2.13a1'