4 files changed, 6 insertions, 6 deletions
diff --git a/.circleci/config.yml b/.circleci/config.yml
index 86a3e2968..4d88fd8c4 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -5,7 +5,7 @@ jobs:
     docker:
       - image: circleci/node:6.12
     environment:
-      CONTRACTS_COMMIT_HASH: '6bda6a2'
+      CONTRACTS_COMMIT_HASH: 'e0f509f'
     steps:
       - checkout
       - run: echo 'export PATH=$HOME/CIRCLE_PROJECT_REPONAME/node_modules/.bin:$PATH' >> $BASH_ENV
diff --git a/packages/0x.js/src/artifacts/EtherToken.json b/packages/0x.js/src/artifacts/EtherToken.json
index b28a463c0..8eb4d250f 100644
--- a/packages/0x.js/src/artifacts/EtherToken.json
+++ b/packages/0x.js/src/artifacts/EtherToken.json
@@ -269,16 +269,16 @@
   ],
   "networks": {
     "1": {
-      "address": "0x2956356cd2a2bf3202f771f50d3d14a367b48070"
+      "address": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2"
     },
     "3": {
       "address": "0xc00fd9820cd2898cc4c054b7bf142de637ad129a"
     },
     "42": {
-      "address": "0x05d090b51c40b020eab3bfcb6a2dff130df22e9c"
+      "address": "0x653e49e301e508a13237c0ddc98ae7d4cd2667a1"
     },
     "50": {
-      "address": "0x871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c"
+      "address": "0x0b1ba0af832d7c05fd64161e0db78e85978e8082"
     }
   }
 }
diff --git a/packages/0x.js/src/artifacts/Exchange.json b/packages/0x.js/src/artifacts/Exchange.json
index cf9124ca7..fa16637af 100644
--- a/packages/0x.js/src/artifacts/Exchange.json
+++ b/packages/0x.js/src/artifacts/Exchange.json
@@ -601,7 +601,7 @@
       "address": "0x90fe2af704b34e0224bf2299c838e04d4dcf1364"
     },
     "50": {
-      "address": "0x48bacb9266a570d521063ef5dd96e61686dbe788"
+      "address": "0x34d402f14d58e001d8efbe6585051bf9706aa064"
     }
   }
 }
diff --git a/packages/0x.js/src/artifacts/TokenRegistry.json b/packages/0x.js/src/artifacts/TokenRegistry.json
index 973a101e8..c15729dbc 100644
--- a/packages/0x.js/src/artifacts/TokenRegistry.json
+++ b/packages/0x.js/src/artifacts/TokenRegistry.json
@@ -538,7 +538,7 @@
       "address": "0xf18e504561f4347bea557f3d4558f559dddbae7f"
     },
     "50": {
-      "address": "0x0b1ba0af832d7c05fd64161e0db78e85978e8082"
+      "address": "0x48bacb9266a570d521063ef5dd96e61686dbe788"
     }
   }
 }