4 files changed, 17 insertions, 7 deletions
diff --git a/packages/web3-wrapper/CHANGELOG.json b/packages/web3-wrapper/CHANGELOG.json
index 7b21da73a..89d153eef 100644
--- a/packages/web3-wrapper/CHANGELOG.json
+++ b/packages/web3-wrapper/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1542028948,
+        "version": "3.1.2",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "3.1.1",
         "changes": [
             {
diff --git a/packages/web3-wrapper/CHANGELOG.md b/packages/web3-wrapper/CHANGELOG.md
index ebbef2c48..80ac76b9a 100644
--- a/packages/web3-wrapper/CHANGELOG.md
+++ b/packages/web3-wrapper/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v3.1.2 - _November 12, 2018_
+
+    * Dependencies updated
+
 ## v3.1.1 - _November 9, 2018_
 
     * Fix bug in `getTransactionByHashAsync` which was causing the return value to have the wrong type (raw fields instead of unmarshalled fields). (#1177)
diff --git a/packages/web3-wrapper/package.json b/packages/web3-wrapper/package.json
index 2b87cc92a..9f3bfe3c3 100644
--- a/packages/web3-wrapper/package.json
+++ b/packages/web3-wrapper/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/web3-wrapper",
-    "version": "3.1.1",
+    "version": "3.1.2",
     "engines": {
         "node": ">=6.12"
     },
@@ -53,8 +53,8 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/assert": "^1.0.15",
-        "@0x/json-schemas": "^2.0.1",
+        "@0x/assert": "^1.0.16",
+        "@0x/json-schemas": "^2.1.0",
         "@0x/typescript-typings": "^3.0.4",
         "@0x/utils": "^2.0.4",
         "ethereum-types": "^1.1.2",
diff --git a/packages/web3-wrapper/src/web3_wrapper.ts b/packages/web3-wrapper/src/web3_wrapper.ts
index 56877fef3..be1713f20 100644
--- a/packages/web3-wrapper/src/web3_wrapper.ts
+++ b/packages/web3-wrapper/src/web3_wrapper.ts
@@ -157,7 +157,7 @@ export class Web3Wrapper {
         this.abiDecoder = new AbiDecoder([]);
         this._provider = provider;
         this._txDefaults = txDefaults || {};
-        this._jsonRpcRequestId = 0;
+        this._jsonRpcRequestId = 1;
     }
     /**
      * Get the contract defaults set to the Web3Wrapper instance
@@ -533,9 +533,6 @@ export class Web3Wrapper {
             method: 'eth_call',
             params: [callDataHex, marshalledDefaultBlock],
         });
-        if (rawCallResult === '0x') {
-            throw new Error('Contract call failed (returned null)');
-        }
         return rawCallResult;
     }
     /**