diff --git a/contracts/asset-proxy/CHANGELOG.json b/contracts/asset-proxy/CHANGELOG.json
index 6984612451..bacae283f3 100644
--- a/contracts/asset-proxy/CHANGELOG.json
+++ b/contracts/asset-proxy/CHANGELOG.json
@@ -6,8 +6,7 @@
                 "note": "Updated calls to <contract wrapper>.deployFrom0xArtifactAsync to include artifact dependencies.",
                 "pr": 1995
             }
-        ],
-        "timestamp": 1564604963
+        ]
     },
     {
         "timestamp": 1563957393,
diff --git a/contracts/asset-proxy/package.json b/contracts/asset-proxy/package.json
index 5024b49a00..57fdf88bcb 100644
--- a/contracts/asset-proxy/package.json
+++ b/contracts/asset-proxy/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-asset-proxy",
-    "version": "2.2.4",
+    "version": "2.2.3",
     "engines": {
         "node": ">=6.12"
     },
diff --git a/contracts/coordinator/CHANGELOG.json b/contracts/coordinator/CHANGELOG.json
index e8dcaa7a37..e0b850a28b 100644
--- a/contracts/coordinator/CHANGELOG.json
+++ b/contracts/coordinator/CHANGELOG.json
@@ -6,8 +6,7 @@
                 "note": "Updated calls to <contract wrapper>.deployFrom0xArtifactAsync to include artifact dependencies.",
                 "pr": 1995
             }
-        ],
-        "timestamp": 1564604963
+        ]
     },
     {
         "timestamp": 1563957393,
diff --git a/contracts/coordinator/package.json b/contracts/coordinator/package.json
index b66b281369..491cf26042 100644
--- a/contracts/coordinator/package.json
+++ b/contracts/coordinator/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-coordinator",
-    "version": "2.0.9",
+    "version": "2.0.8",
     "engines": {
         "node": ">=6.12"
     },
diff --git a/contracts/dev-utils/CHANGELOG.json b/contracts/dev-utils/CHANGELOG.json
index e46e0a8421..5e077c5fab 100644
--- a/contracts/dev-utils/CHANGELOG.json
+++ b/contracts/dev-utils/CHANGELOG.json
@@ -1,6 +1,6 @@
 [
     {
-        "version": "0.0.6",
+        "version": "0.0.5",
         "changes": [
             {
                 "note": "Updated calls to <contract wrapper>.deployFrom0xArtifactAsync to include artifact dependencies.",
diff --git a/contracts/dev-utils/package.json b/contracts/dev-utils/package.json
index 3b2f398fe0..29641377e9 100644
--- a/contracts/dev-utils/package.json
+++ b/contracts/dev-utils/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-dev-utils",
-    "version": "0.0.6",
+    "version": "0.0.5",
     "engines": {
         "node": ">=6.12"
     },
diff --git a/contracts/exchange-forwarder/CHANGELOG.json b/contracts/exchange-forwarder/CHANGELOG.json
index a0c9b19ca9..0ab43b00e5 100644
--- a/contracts/exchange-forwarder/CHANGELOG.json
+++ b/contracts/exchange-forwarder/CHANGELOG.json
@@ -6,8 +6,7 @@
                 "note": "Updated calls to <contract wrapper>.deployFrom0xArtifactAsync to include artifact dependencies.",
                 "pr": 1995
             }
-        ],
-        "timestamp": 1564604963
+        ]
     },
     {
         "timestamp": 1563957393,
diff --git a/contracts/exchange-forwarder/package.json b/contracts/exchange-forwarder/package.json
index 8f4b2f7fff..135775eebe 100644
--- a/contracts/exchange-forwarder/package.json
+++ b/contracts/exchange-forwarder/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-exchange-forwarder",
-    "version": "3.0.8",
+    "version": "3.0.7",
     "engines": {
         "node": ">=6.12"
     },
diff --git a/contracts/exchange/CHANGELOG.json b/contracts/exchange/CHANGELOG.json
index 750b38cac6..aec0453f09 100644
--- a/contracts/exchange/CHANGELOG.json
+++ b/contracts/exchange/CHANGELOG.json
@@ -6,8 +6,7 @@
                 "note": "Updated calls to <contract wrapper>.deployFrom0xArtifactAsync to include artifact dependencies.",
                 "pr": 1995
             }
-        ],
-        "timestamp": 1564604963
+        ]
     },
     {
         "timestamp": 1563957393,
diff --git a/contracts/exchange/package.json b/contracts/exchange/package.json
index 3300f13690..c43682235d 100644
--- a/contracts/exchange/package.json
+++ b/contracts/exchange/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-exchange",
-    "version": "2.1.10",
+    "version": "2.1.9",
     "engines": {
         "node": ">=6.12"
     },
diff --git a/contracts/extensions/CHANGELOG.json b/contracts/extensions/CHANGELOG.json
index aaa42804c0..88d1b84925 100644
--- a/contracts/extensions/CHANGELOG.json
+++ b/contracts/extensions/CHANGELOG.json
@@ -6,8 +6,7 @@
                 "note": "Updated calls to <contract wrapper>.deployFrom0xArtifactAsync to include artifact dependencies.",
                 "pr": 1995
             }
-        ],
-        "timestamp": 1564604963
+        ]
     },
     {
         "timestamp": 1563957393,
diff --git a/contracts/extensions/package.json b/contracts/extensions/package.json
index d8755d2000..c92471d2fd 100644
--- a/contracts/extensions/package.json
+++ b/contracts/extensions/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-extensions",
-    "version": "4.0.4",
+    "version": "4.0.3",
     "engines": {
         "node": ">=6.12"
     },
diff --git a/contracts/multisig/CHANGELOG.json b/contracts/multisig/CHANGELOG.json
index 3b0d15f60e..f0b0252ff7 100644
--- a/contracts/multisig/CHANGELOG.json
+++ b/contracts/multisig/CHANGELOG.json
@@ -6,8 +6,7 @@
                 "note": "Updated calls to <contract wrapper>.deployFrom0xArtifactAsync to include artifact dependencies.",
                 "pr": 1995
             }
-        ],
-        "timestamp": 1564604963
+        ]
     },
     {
         "timestamp": 1563957393,
diff --git a/contracts/multisig/package.json b/contracts/multisig/package.json
index 4545095b4d..75e2de1553 100644
--- a/contracts/multisig/package.json
+++ b/contracts/multisig/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-multisig",
-    "version": "3.1.10",
+    "version": "3.1.9",
     "engines": {
         "node": ">=6.12"
     },