diff --git a/contracts/coordinator/CHANGELOG.json b/contracts/coordinator/CHANGELOG.json
index dc003b63d8..ae0d4859fe 100644
--- a/contracts/coordinator/CHANGELOG.json
+++ b/contracts/coordinator/CHANGELOG.json
@@ -84,6 +84,18 @@
             {
                 "note": "Update domain separator",
                 "pr": 1742
+            },
+            {
+                "note": "Refactor contract to use new ITransactions interface",
+                "pr": 1753
+            },
+            {
+                "note": "Add verifyingContractIfExists arg to LibEIP712CoordinatorDomain constructor",
+                "pr": 1753
+            },
+            {
+                "note": "Remove LibZeroExTransaction contract",
+                "pr": 1753
             }
         ],
         "timestamp": 1554997931
diff --git a/contracts/exchange-libs/CHANGELOG.json b/contracts/exchange-libs/CHANGELOG.json
index 3d4b6998bc..93d58e811b 100644
--- a/contracts/exchange-libs/CHANGELOG.json
+++ b/contracts/exchange-libs/CHANGELOG.json
@@ -35,6 +35,18 @@
             {
                 "note": "Rename `verifyingContract` to `verifyingContractAddress` in domain schema",
                 "pr": 1742
+            },
+            {
+                "note": "Add LibZeroExTransaction contract",
+                "pr": 1753
+            },
+            {
+                "note": "Add verifyingContractIfExists arg to LibEIP712ExchangeDomain constructor",
+                "pr": 1753
+            },
+            {
+                "note": "Remove LibEIP712ExchangeDomainConstants and LibEIP712 contracts",
+                "pr": 1753
             }
         ],
         "timestamp": 1563006338
diff --git a/contracts/exchange/CHANGELOG.json b/contracts/exchange/CHANGELOG.json
index a29c28ce69..6e7b73d9cf 100644
--- a/contracts/exchange/CHANGELOG.json
+++ b/contracts/exchange/CHANGELOG.json
@@ -1,6 +1,6 @@
 [
     {
-        "version": "2.1.9",
+        "version": "3.0.0",
         "changes": [
             {
                 "note": "Use new/cheaper reentrancy guard/mutex",
@@ -9,6 +9,14 @@
             {
                 "note": "Update domain separator",
                 "pr": 1742
+            },
+            {
+                "note": "Refactor `executeTransaction` to take `ZeroExTransaction` struct as input",
+                "pr": 1753
+            },
+            {
+                "note": "Refactor example contracts that use `executeTransaction`",
+                "pr": 1753
             }
         ]
     },
diff --git a/contracts/extensions/CHANGELOG.json b/contracts/extensions/CHANGELOG.json
index 47088b9ba4..7ad3734d6e 100644
--- a/contracts/extensions/CHANGELOG.json
+++ b/contracts/extensions/CHANGELOG.json
@@ -27,6 +27,10 @@
             {
                 "note": "Remove unused `LibOrder` inheritance",
                 "pr": 1742
+            },
+            {
+                "note": "Refactor BalanceThresholdFilter to use new ITransactions interface",
+                "pr": 1753
             }
         ],
         "timestamp": 1563006338
diff --git a/contracts/utils/CHANGELOG.json b/contracts/utils/CHANGELOG.json
index d6404d8241..63256d7bbc 100644
--- a/contracts/utils/CHANGELOG.json
+++ b/contracts/utils/CHANGELOG.json
@@ -1,10 +1,14 @@
 [
     {
-        "version": "3.1.10",
+        "version": "3.2.0",
         "changes": [
             {
                 "note": "Change ReentrancyGuard implementation to cheaper one",
                 "pr": 1699
+            },
+            {
+                "note": "Add LibEIP712 contract",
+                "pr": 1753
             }
         ]
     },