diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 806b0bab..ec503463 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,9 @@
 CHANGELOG
 =========
 
+0.20.0 (UNRELEASED)
+===================
+
 0.19.0 (2024-01-02)
 ===================
 
diff --git a/src/alfasim_sdk/_internal/version.py b/src/alfasim_sdk/_internal/version.py
index 11ac8e1a..5f4bb0b3 100644
--- a/src/alfasim_sdk/_internal/version.py
+++ b/src/alfasim_sdk/_internal/version.py
@@ -1 +1 @@
-__version__ = "0.19.0"
+__version__ = "0.20.0"