diff --git a/contracts/asset-proxy/CHANGELOG.json b/contracts/asset-proxy/CHANGELOG.json
index a7c7261fa3..0116f1a6d4 100644
--- a/contracts/asset-proxy/CHANGELOG.json
+++ b/contracts/asset-proxy/CHANGELOG.json
@@ -1,4 +1,13 @@
 [
+    {
+        "version": "2.1.0",
+        "changes": [
+            {
+                "note": "Run Web3ProviderEngine without excess block polling",
+                "pr": 1695
+            }
+        ]
+    },
     {
         "version": "2.0.0",
         "changes": [
@@ -17,10 +26,6 @@
             {
                 "note": "Integration testing for ERC1155Proxy",
                 "pr": 1673
-            },
-            {
-                "note": "Run Web3ProviderEngine without excess block polling",
-                "pr": 1695
             }
         ],
         "timestamp": 1553091633
diff --git a/contracts/coordinator/CHANGELOG.json b/contracts/coordinator/CHANGELOG.json
index 1e302a535a..fbe2e916eb 100644
--- a/contracts/coordinator/CHANGELOG.json
+++ b/contracts/coordinator/CHANGELOG.json
@@ -1,4 +1,13 @@
 [
+    {
+        "version": "1.1.0",
+        "changes": [
+            {
+                "note": "Run Web3ProviderEngine without excess block polling",
+                "pr": 1695
+            }
+        ]
+    },
     {
         "version": "1.0.0",
         "changes": [
@@ -16,10 +25,6 @@
             {
                 "note": "Set `evmVersion` to `constantinople`",
                 "pr": 1707
-            },
-            {
-                "note": "Run Web3ProviderEngine without excess block polling",
-                "pr": 1695
             }
         ],
         "timestamp": 1553091633
diff --git a/contracts/erc1155/CHANGELOG.json b/contracts/erc1155/CHANGELOG.json
index f230b4ae68..1e6b1f1b08 100644
--- a/contracts/erc1155/CHANGELOG.json
+++ b/contracts/erc1155/CHANGELOG.json
@@ -1,4 +1,13 @@
 [
+    {
+        "version": "1.1.0",
+        "changes": [
+            {
+                "note": "Run Web3ProviderEngine without excess block polling",
+                "pr": 1695
+            }
+        ]
+    },
     {
         "timestamp": 1553091633,
         "version": "1.0.1",
@@ -14,10 +23,6 @@
             {
                 "note": "Created ERC1155 contracts package",
                 "pr": 1657
-            },
-            {
-                "note": "Run Web3ProviderEngine without excess block polling",
-                "pr": 1695
             }
         ]
     }
diff --git a/contracts/erc20/CHANGELOG.json b/contracts/erc20/CHANGELOG.json
index 971fdadd7c..c00e3660f3 100644
--- a/contracts/erc20/CHANGELOG.json
+++ b/contracts/erc20/CHANGELOG.json
@@ -1,14 +1,19 @@
 [
+    {
+        "version": "2.1.0",
+        "changes": [
+            {
+                "note": "Run Web3ProviderEngine without excess block polling",
+                "pr": 1695
+            }
+        ]
+    },
     {
         "version": "2.0.0",
         "changes": [
             {
                 "note": "Upgrade contracts to Solidity 0.5.5",
                 "pr": 1682
-            },
-            {
-                "note": "Run Web3ProviderEngine without excess block polling",
-                "pr": 1695
             }
         ],
         "timestamp": 1553091633
diff --git a/contracts/erc721/CHANGELOG.json b/contracts/erc721/CHANGELOG.json
index 0146bdd7ad..d968f52a47 100644
--- a/contracts/erc721/CHANGELOG.json
+++ b/contracts/erc721/CHANGELOG.json
@@ -1,14 +1,19 @@
 [
+    {
+        "version": "2.1.0",
+        "changes": [
+            {
+                "note": "Run Web3ProviderEngine without excess block polling",
+                "pr": 1695
+            }
+        ]
+    },
     {
         "version": "2.0.0",
         "changes": [
             {
                 "note": "Upgrade contracts to Solidity 0.5.5",
                 "pr": 1682
-            },
-            {
-                "note": "Run Web3ProviderEngine without excess block polling",
-                "pr": 1695
             }
         ],
         "timestamp": 1553091633
diff --git a/contracts/exchange-forwarder/CHANGELOG.json b/contracts/exchange-forwarder/CHANGELOG.json
index 3ea44d584c..7c90833219 100644
--- a/contracts/exchange-forwarder/CHANGELOG.json
+++ b/contracts/exchange-forwarder/CHANGELOG.json
@@ -1,14 +1,19 @@
 [
+    {
+        "version": "2.1.0",
+        "changes": [
+            {
+                "note": "Run Web3ProviderEngine without excess block polling",
+                "pr": 1695
+            }
+        ]
+    },
     {
         "version": "2.0.0",
         "changes": [
             {
                 "note": "Do not reexport external dependencies",
                 "pr": 1682
-            },
-            {
-                "note": "Run Web3ProviderEngine without excess block polling",
-                "pr": 1695
             }
         ],
         "timestamp": 1553091633
diff --git a/contracts/exchange-libs/CHANGELOG.json b/contracts/exchange-libs/CHANGELOG.json
index 8b7f667c76..d14239b46b 100644
--- a/contracts/exchange-libs/CHANGELOG.json
+++ b/contracts/exchange-libs/CHANGELOG.json
@@ -1,14 +1,19 @@
 [
+    {
+        "version": "2.1.0",
+        "changes": [
+            {
+                "note": "Run Web3ProviderEngine without excess block polling",
+                "pr": 1695
+            }
+        ]
+    },
     {
         "version": "2.0.0",
         "changes": [
             {
                 "note": "Upgrade contracts to Solidity 0.5.5",
                 "pr": 1682
-            },
-            {
-                "note": "Run Web3ProviderEngine without excess block polling",
-                "pr": 1695
             }
         ],
         "timestamp": 1553091633
diff --git a/contracts/exchange/CHANGELOG.json b/contracts/exchange/CHANGELOG.json
index 3e3d8519f7..3b5388d6f9 100644
--- a/contracts/exchange/CHANGELOG.json
+++ b/contracts/exchange/CHANGELOG.json
@@ -1,4 +1,13 @@
 [
+    {
+        "version": "2.1.0",
+        "changes": [
+            {
+                "note": "Run Web3ProviderEngine without excess block polling",
+                "pr": 1695
+            }
+        ]
+    },
     {
         "version": "2.0.0",
         "changes": [
@@ -13,10 +22,6 @@
             {
                 "note": "Integration testing for ERC1155Proxy",
                 "pr": 1673
-            },
-            {
-                "note": "Run Web3ProviderEngine without excess block polling",
-                "pr": 1695
             }
         ],
         "timestamp": 1553091633
diff --git a/contracts/extensions/CHANGELOG.json b/contracts/extensions/CHANGELOG.json
index fd66abf623..695aecd932 100644
--- a/contracts/extensions/CHANGELOG.json
+++ b/contracts/extensions/CHANGELOG.json
@@ -1,4 +1,13 @@
 [
+    {
+        "version": "3.1.0",
+        "changes": [
+            {
+                "note": "Run Web3ProviderEngine without excess block polling",
+                "pr": 1695
+            }
+        ]
+    },
     {
         "version": "3.0.0",
         "changes": [
@@ -9,10 +18,6 @@
             {
                 "note": "Upgrade contracts to Solidity 0.5.5",
                 "pr": 1682
-            },
-            {
-                "note": "Run Web3ProviderEngine without excess block polling",
-                "pr": 1695
             }
         ],
         "timestamp": 1553091633
diff --git a/contracts/multisig/CHANGELOG.json b/contracts/multisig/CHANGELOG.json
index 56cc84eecc..f4d9fc1a43 100644
--- a/contracts/multisig/CHANGELOG.json
+++ b/contracts/multisig/CHANGELOG.json
@@ -1,14 +1,19 @@
 [
+    {
+        "version": "3.1.0",
+        "changes": [
+            {
+                "note": "Run Web3ProviderEngine without excess block polling",
+                "pr": 1695
+            }
+        ]
+    },
     {
         "version": "3.0.0",
         "changes": [
             {
                 "note": "Do not reexport external dependencies",
                 "pr": 1682
-            },
-            {
-                "note": "Run Web3ProviderEngine without excess block polling",
-                "pr": 1695
             }
         ],
         "timestamp": 1553091633