CHANGELOG.md in aws-sdk-securityhub-1.55.0 vs CHANGELOG.md in aws-sdk-securityhub-1.56.0

@@ -1,7 +1,12 @@
 Unreleased Changes
 ------------------
 
+1.56.0 (2021-11-04)
+------------------
+
+* Feature - Code Generated Changes, see `./build_tools` or `aws-sdk-core`'s CHANGELOG.md for details.
+
 1.55.0 (2021-10-20)
 ------------------
 
 * Feature - Added support for cross-Region finding aggregation, which replicates findings from linked Regions to a single aggregation Region. Added operations to view, enable, update, and delete the finding aggregation.
 
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