diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1a7e87c..f919ee7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 <!--next-version-placeholder-->
 
+## v0.4.0 (2022-06-03)
+### Feature
+* Add plan to config ([#26](https://github.com/amplitude/Amplitude-Python/issues/26)) ([`eb3edf9`](https://github.com/amplitude/Amplitude-Python/commit/eb3edf969a29e372da054fb44d2ea8cc89b09d42))
+
 ## v0.3.0 (2022-05-12)
 ### Feature
 * Flask and django simple example ([#22](https://github.com/amplitude/Amplitude-Python/issues/22)) ([`c71b8e0`](https://github.com/amplitude/Amplitude-Python/commit/c71b8e0de36eafaa3af673af8ef35e4485107137))
diff --git a/src/amplitude/constants.py b/src/amplitude/constants.py
index cac5e93..7eb5d80 100644
--- a/src/amplitude/constants.py
+++ b/src/amplitude/constants.py
@@ -1,7 +1,7 @@
 from enum import Enum
 
 SDK_LIBRARY = "amplitude-python"
-SDK_VERSION = "0.3.0"
+SDK_VERSION = "0.4.0"
 
 EU_ZONE = "EU"
 DEFAULT_ZONE = "US"