diff --git a/CHANGELOG.md b/CHANGELOG.md
index 98357bd6a..db4372915 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,28 @@
+# Version 1.4.3
+## Added features and functionality
++ Added: Context Authentication (supports Foundry execution environments).
+    > FalconInterface object refactored to support new authentication mechanism, track mechanism used, add additional comments, and reduce overall complexity.
+    - `_auth_object/_falcon_interface.py`
+    > ServiceClass object updated to detect Object Authentication and track mechanism used.
+    - `_service_class/_service_class.py`
+    > New helper method defined to abstract Direct and Credential authentication creation of the _creds dictionary attribute.
+    - `_util/__init__.py`
+    - `_util/_auth.py`
+    > Class instantiation logging updated to detail authentication mechanism used. Linting and cleanup.
+    - `_util/_functions.py`
+    > Unit testing expanded to complete code coverage.
+    - `tests/test_authentications.py`
+    - `tests/test_result_object.py`
+    - `tests/test_zero_trust_assessment.py`
+
+## Issue resolved
++ Fixed: 406 error when uploading Fusion workflows via the _WorkflowDefinitionsImport_ operation. Closes #1145.
+    - `workflows.py`
+    > Unit testing expanded to complete code coverage.
+    - `tests/test_workflows.py`
+
+---
+
 # Version 1.4.2
 ## Added features and functionality
 + Expanded: Environment Authentication functionality has been expanded to allow developers to customize the names of the environment keys used to store API credentials.