diff --git a/CHANGELOG.md b/CHANGELOG.md
index 249f243e..fb86dbad 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,9 @@
 ### Features
 1. [#203](https://github.com/influxdata/influxdb-client-python/pull/203): Allow configuring client via TOML file.
 
+### API
+1. [#209](https://github.com/influxdata/influxdb-client-python/pull/209): Allow setting shard-group durations for buckets via API
+
 ### Documentation
 1. [#202](https://github.com/influxdata/influxdb-client-python/pull/202): Added an example how to use RxPY and sync batching
 
diff --git a/tests/test_BucketsApi.py b/tests/test_BucketsApi.py
index a528bf03..768e002d 100644
--- a/tests/test_BucketsApi.py
+++ b/tests/test_BucketsApi.py
@@ -71,9 +71,8 @@ def test_create_bucket_retention_list(self):
 
         bucket_name = generate_bucket_name()
 
-        retention = BucketRetentionRules
         ret_list = []
-        retention.every_seconds = 3600
+        retention = BucketRetentionRules(every_seconds=3600)
         retention.type = "expire"
         ret_list.append(retention)