diff --git a/README.md b/README.md
index 59d2bff1cbde6c18b956d7febb7d51706bdaecf8..c1f28aa6cffa354a6bedf243349c35ed6b77f062 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,10 @@ So no variable encoding for you!
 
 # Changelog
 
+## v0.3
+
+* _TBA_
+
 ## v0.2
 
 * added `get_open_series`
diff --git a/setup.py b/setup.py
index 6ed8673ae46da55527ff5a6cac72752d6fd79e0c..2014defde6f4daf237dffca23f4870377bba8621 100644
--- a/setup.py
+++ b/setup.py
@@ -21,7 +21,7 @@ def find_pyx(*path) -> tp.List[str]:
 #
 
 setup(name='tempsdb',
-      version='0.2',
+      version='0.3_a1',
       packages=['tempsdb'],
       install_requires=['satella>=2.14.21', 'ujson'],
       ext_modules=build([Multibuild('tempsdb', find_pyx('tempsdb')), ],