Publish

- @0x/contracts-asset-proxy@3.2.1
 - @0x/contracts-broker@1.1.0
 - @0x/contracts-coordinator@3.1.1
 - @0x/contracts-dev-utils@1.1.1
 - @0x/contracts-erc1155@2.1.1
 - @0x/contracts-erc20-bridge-sampler@1.4.0
 - @0x/contracts-erc20@3.1.1
 - @0x/contracts-erc721@3.1.1
 - @0x/contracts-exchange-forwarder@4.2.1
 - @0x/contracts-exchange-libs@4.3.1
 - @0x/contracts-exchange@3.2.1
 - @0x/contracts-extensions@6.1.1
 - @0x/contracts-integrations@2.4.0
 - @0x/contracts-multisig@4.1.1
 - @0x/contracts-staking@2.0.8
 - @0x/contracts-test-utils@5.1.5
 - @0x/contracts-utils@4.3.1
 - 0x.js@9.1.1
 - @0x/asset-swapper@4.2.0
 - @0x/contract-addresses@4.6.0
 - @0x/contract-artifacts@3.6.0
 - @0x/contract-wrappers-test@12.2.9
 - @0x/contract-wrappers@13.6.0
 - @0x/instant@1.0.46
 - @0x/migrations@6.2.0
 - @0x/order-utils@10.2.1
 - @0x/orderbook@2.2.1

contracts/erc20/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-erc20",
-    "version": "3.1.0",
+    "version": "3.1.1",
     "engines": {
         "node": ">=6.12"
     },
@@ -53,8 +53,8 @@
     "devDependencies": {
         "@0x/abi-gen": "^5.2.0",
         "@0x/contracts-gen": "^2.0.7",
-        "@0x/contracts-test-utils": "^5.1.4",
-        "@0x/contracts-utils": "^4.3.0",
+        "@0x/contracts-test-utils": "^5.1.5",
+        "@0x/contracts-utils": "^4.3.1",
         "@0x/dev-utils": "^3.2.0",
         "@0x/sol-compiler": "^4.0.7",
         "@0x/ts-doc-gen": "^0.0.22",