diff --git a/CHANGELOG.md b/CHANGELOG.md
index f68411297659e0187b57826d1e242c668da55f76..690db17363e3625f36471bc652a655ce8cf6df3b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# v1.2.5
+
+* _TBA_
+
 # v1.2.4
 
 * bugfix release
diff --git a/coolamqp/__init__.py b/coolamqp/__init__.py
index daab838ba07d303b30b5e85442787bc6ebf07e63..dd3dbb692c9141738ee10353dcd00b6c64a8bc69 100644
--- a/coolamqp/__init__.py
+++ b/coolamqp/__init__.py
@@ -1 +1 @@
-__version__ = '1.2.4'
+__version__ = '1.2.5_a1'