diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3a09d6c..82f034f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Change log
 
+## [0.12.0] - x xxx 202x
+
 ## [0.11.0] - 12 September 2023
 ### Changed
 - Using new Matplotlib `pcolormesh` API introduced in v3.7.0 to plot sky map with projections faster with less memory
diff --git a/setup.py b/setup.py
index 2041d41..710af09 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@
 
 setup(
     name="mw_plot",
-    version="0.11.0",
+    version="0.12.0.dev0",
     classifiers=[
         "Development Status :: 3 - Alpha",
         "License :: OSI Approved :: MIT License",