diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3b5dd1bd..28d14a81 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,17 @@ Changes
 
 <!-- towncrier release notes start -->
 
+## 22.03.0b1 (2022-04-12)
+
+### Features
+* Allow specifying the architecture when setting image aliases ([#211](https://github.com/lablup/backend.ai-client-py/issues/211))
+* Add `callback_url` parameter in session creation API/CLI to support session event webhook. ([#217](https://github.com/lablup/backend.ai-client-py/issues/217))
+
+### Fixes
+* Remove invalid "uuid" field from `groups` model. ([#216](https://github.com/lablup/backend.ai-client-py/issues/216))
+* Remove access key option in vfolder list command since manager does not support the field. ([#218](https://github.com/lablup/backend.ai-client-py/issues/218))
+
+
 ## 22.03.0a2 (2022-03-29)
 
 ### Features
diff --git a/changes/211.feature.md b/changes/211.feature.md
deleted file mode 100644
index 7ecfd719..00000000
--- a/changes/211.feature.md
+++ /dev/null
@@ -1 +0,0 @@
-Allow specifying the architecture when setting image aliases
diff --git a/changes/216.fix b/changes/216.fix
deleted file mode 100644
index 07ff14f0..00000000
--- a/changes/216.fix
+++ /dev/null
@@ -1 +0,0 @@
-Remove invalid "uuid" field from `groups` model.
diff --git a/changes/217.feature b/changes/217.feature
deleted file mode 100644
index 2c0f7f40..00000000
--- a/changes/217.feature
+++ /dev/null
@@ -1 +0,0 @@
-Add `callback_url` parameter in session creation API/CLI to support session event webhook.
diff --git a/changes/218.fix b/changes/218.fix
deleted file mode 100644
index 0c1ec978..00000000
--- a/changes/218.fix
+++ /dev/null
@@ -1 +0,0 @@
-Remove access key option in vfolder list command since manager does not support the field.
diff --git a/src/ai/backend/client/__init__.py b/src/ai/backend/client/__init__.py
index 8fb8f725..56b8a9fb 100644
--- a/src/ai/backend/client/__init__.py
+++ b/src/ai/backend/client/__init__.py
@@ -6,7 +6,7 @@
     *session.__all__,
 )
 
-__version__ = '22.03.0a2'
+__version__ = '22.03.0b1'
 
 
 def get_user_agent():