diff --git a/contracts/zero-ex/CHANGELOG.json b/contracts/zero-ex/CHANGELOG.json
index 72012b6fc6..4cf67f33bb 100644
--- a/contracts/zero-ex/CHANGELOG.json
+++ b/contracts/zero-ex/CHANGELOG.json
@@ -5,7 +5,8 @@
             {
                 "note": "Add Barter support on Ethereum"
             }
-        ]
+        ],
+        "timestamp": 1681700943
     },
     {
         "version": "0.40.0",
diff --git a/contracts/zero-ex/CHANGELOG.md b/contracts/zero-ex/CHANGELOG.md
index 2acc91afca..4a44be233e 100644
--- a/contracts/zero-ex/CHANGELOG.md
+++ b/contracts/zero-ex/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v0.41.0 - _April 17, 2023_
+
+    * Add Barter support on Ethereum
+
 ## v0.40.0 - _April 17, 2023_
 
     * Add Barter support on Ethereum
diff --git a/packages/contract-addresses/CHANGELOG.json b/packages/contract-addresses/CHANGELOG.json
index eb4616fe4c..d5e0fc1317 100644
--- a/packages/contract-addresses/CHANGELOG.json
+++ b/packages/contract-addresses/CHANGELOG.json
@@ -5,7 +5,8 @@
 			{
 				"note": "Add Barter support in Ethereum FillQuoteTransformer"
 			}
-		]
+		],
+		"timestamp": 1681700943
 	},
 	{
 		"version": "8.3.0",
diff --git a/packages/contract-addresses/CHANGELOG.md b/packages/contract-addresses/CHANGELOG.md
index 7ab96533b1..7f412dac90 100644
--- a/packages/contract-addresses/CHANGELOG.md
+++ b/packages/contract-addresses/CHANGELOG.md
@@ -6,6 +6,9 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v8.4.0 - _April 17, 2023_
+
+    * Add Barter support in Ethereum FillQuoteTransformer
 ## v8.3.0 - _April 17, 2023_
 
     * Add Barter support in Ethereum FillQuoteTransformer
diff --git a/packages/protocol-utils/CHANGELOG.json b/packages/protocol-utils/CHANGELOG.json
index 852148e34c..e50af55af8 100644
--- a/packages/protocol-utils/CHANGELOG.json
+++ b/packages/protocol-utils/CHANGELOG.json
@@ -5,7 +5,8 @@
 			{
 				"note": "Add Barter support"
 			}
-		]
+		],
+		"timestamp": 1681700943
 	},
 	{
 		"version": "11.19.0",
diff --git a/packages/protocol-utils/CHANGELOG.md b/packages/protocol-utils/CHANGELOG.md
index c080011825..abbcc28225 100644
--- a/packages/protocol-utils/CHANGELOG.md
+++ b/packages/protocol-utils/CHANGELOG.md
@@ -6,6 +6,9 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v11.20.0 - _April 17, 2023_
+
+    * Add Barter support
 ## v11.19.0 - _April 17, 2023_
 
     * Add Barter support