diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 683f9c55d..d8b2bd8e1 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,16 @@
 Changelog
 =========
 
+1.3.0a1 (2023-10-26)
+--------------------
+
+Features
+
+* Add ``ProfileMapping`` for Vertica by @perttus in #540
+* Add ``ProfileMapping`` for Snowflake encrypted private key path by @ivanstillfront in #608
+* Add ``DbtDocsGCSOperator`` for uploading dbt docs to GCS by @jbandoro in #616
+
+
 1.2.1 (2023-10-25)
 ------------------
 
diff --git a/cosmos/__init__.py b/cosmos/__init__.py
index 905600cde..10fea5a1b 100644
--- a/cosmos/__init__.py
+++ b/cosmos/__init__.py
@@ -5,7 +5,7 @@
 
 Contains dags, task groups, and operators.
 """
-__version__ = "1.2.1"
+__version__ = "1.3.0a1"
 
 from cosmos.airflow.dag import DbtDag
 from cosmos.airflow.task_group import DbtTaskGroup