diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4fa3000c..8f0ccb47 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 *(NOTE: All examples use fictious data or freely available data sets.)*
 
+## [0.21.1] - 2020-12-17
+
+### Fixed
+
+- Updated API calls to the data-lake to use correct endpoints.
+
 ## [0.21.0] - 2020-12-10
 
 ### Added
@@ -526,6 +532,7 @@ phc.Observation.get_data_frame(patient_id="<id>", query_overrides={
 - Added the `phc.services.Files` submodule that provides actions for files in PHC projects.
 - Added the `phc.services.Cohorts` submodule that provides actions for files in PHC cohorts.
 
+[0.21.1]: https://github.com/lifeomic/phc-sdk-py/compare/v0.21.0...v0.21.1
 [0.21.0]: https://github.com/lifeomic/phc-sdk-py/compare/v0.20.0...v0.21.0
 [0.20.0]: https://github.com/lifeomic/phc-sdk-py/compare/v0.19.0...v0.20.0
 [0.19.0]: https://github.com/lifeomic/phc-sdk-py/compare/v0.18.1...v0.19.0
diff --git a/phc/version.py b/phc/version.py
index 6a726d85..76f24586 100644
--- a/phc/version.py
+++ b/phc/version.py
@@ -1 +1 @@
-__version__ = "0.21.0"
+__version__ = "0.21.1"