CHANGELOG.md in aws-sdk-docdb-1.52.0 vs CHANGELOG.md in aws-sdk-docdb-1.53.0

@@ -1,7 +1,12 @@
 Unreleased Changes
 ------------------
 
+1.53.0 (2023-07-17)
+------------------
+
+* Feature - Added major version upgrade option in ModifyDBCluster API
+
 1.52.0 (2023-07-11)
 ------------------
 
 * Feature - Code Generated Changes, see `./build_tools` or `aws-sdk-core`'s CHANGELOG.md for details.