CHANGELOG.md in aws-sdk-mediapackage-1.56.0 vs CHANGELOG.md in aws-sdk-mediapackage-1.57.0

@@ -1,7 +1,12 @@
 Unreleased Changes
 ------------------
 
+1.57.0 (2022-10-25)
+------------------
+
+* Feature - Code Generated Changes, see `./build_tools` or `aws-sdk-core`'s CHANGELOG.md for details.
+
 1.56.0 (2022-09-02)
 ------------------
 
 * Feature - Added support for AES_CTR encryption to CMAF origin endpoints
 
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