diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4b499fe46252e2d4a4bda3737f58161ce037d2ac..f275b3076c1457957bfe11c88304a321062558df 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# v1.0.3:
+
+* _TBA_
+
 # v1.0.2:
 
 * **bugfix release** due to some bad flags in setup.py it was impossible
diff --git a/coolamqp/__init__.py b/coolamqp/__init__.py
index 7e7a5b79d1a423e6c4a859d3b0463efa245ae7e9..94869735b1ea3f767e5a45e6567bf46c09307434 100644
--- a/coolamqp/__init__.py
+++ b/coolamqp/__init__.py
@@ -1,2 +1,2 @@
 # coding=UTF-8
-__version__ = '1.0.2'
+__version__ = '1.0.3_a1'