diff --git a/packages/asset-swapper/CHANGELOG.json b/packages/asset-swapper/CHANGELOG.json
index 7b155543fc..19f19f825a 100644
--- a/packages/asset-swapper/CHANGELOG.json
+++ b/packages/asset-swapper/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Add estimatedGas to ExtendedQuoteReport",
                 "pr": 463
             }
-        ]
+        ],
+        "timestamp": 1650575781
     },
     {
         "version": "16.55.0",
diff --git a/packages/asset-swapper/CHANGELOG.md b/packages/asset-swapper/CHANGELOG.md
index 0a37c228ce..3d8e21aa91 100644
--- a/packages/asset-swapper/CHANGELOG.md
+++ b/packages/asset-swapper/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v16.56.0 - _April 21, 2022_
+
+    * Add estimatedGas to ExtendedQuoteReport (#463)
+
 ## v16.55.0 - _April 7, 2022_
 
     * Fix fillRfqOrder VIP being used for swaps that need transformERC20 (#461)