diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 968b9f4..edc34f2 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -16,6 +16,36 @@ Unreleased
 
 *
 
+1.0.0 – 2025-12-24
+**********************************************
+
+Added
+=====
+
+* Prompt template model for reusable AI prompts across profiles
+* Custom prompt support via Django admin interface
+* Async task orchestrator for long-running AI workflows with Celery
+* Session metadata support for task status tracking
+* Documentation: comprehensive configuration guide and usage guide
+* Support for provider-specific configuration overrides via "options" key
+* Base models for workflows, profiles, scopes, and prompt templates
+
+Changed
+=======
+
+* **BREAKING**: Renamed "config" key to "provider" in profile configurations
+* Improved streaming response handling to eliminate double messages
+* Enhanced test coverage across all major features
+* Moved PromptModel to top-level models to avoid circular imports
+
+Fixed
+=====
+
+* Validation errors now trigger on clean() instead of save()
+* Faster mocked streaming for testing
+* Double streaming message bug resolved
+* Various QA and test coverage improvements
+
 0.1.0 – 2025-04-11
 **********************************************
 
diff --git a/backend/openedx_ai_extensions/__init__.py b/backend/openedx_ai_extensions/__init__.py
index f0474a6..41ee9b2 100644
--- a/backend/openedx_ai_extensions/__init__.py
+++ b/backend/openedx_ai_extensions/__init__.py
@@ -2,4 +2,4 @@
 A experimental plugin for Open edX designed to explore AI extensibility.
 """
 
-__version__ = "0.1.0"
+__version__ = "1.0.0"
diff --git a/tutor/openedx_ai_extensions/__about__.py b/tutor/openedx_ai_extensions/__about__.py
index 9c9eb91..5becc17 100644
--- a/tutor/openedx_ai_extensions/__about__.py
+++ b/tutor/openedx_ai_extensions/__about__.py
@@ -1 +1 @@
-__version__ = "20.0.0"
+__version__ = "1.0.0"