diff --git a/CHANGELOG b/CHANGELOG
index 9a76d7b11556b434cf9749d625cedea85dc6c5ac..a461371a17b586e8ebc65172282153a6ae8e09e2 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,5 @@
+# Verson 0.4.0 (December 6, 2024)
+
 # Version 0.2.2 (May 14, 2024)
 
 * Remove implmentation for Operators soly handling memory and format
diff --git a/version.txt b/version.txt
index 0d91a54c7d439e84e3dd17d3594f1b2b6737f430..1d0ba9ea182b0f7354f3daf12120744ec5e0c2f8 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-0.3.0
+0.4.0