4 files changed, 4 insertions, 4 deletions
diff --git a/.circleci/config.yml b/.circleci/config.yml
index 4d88fd8c4..6165603ce 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -5,7 +5,7 @@ jobs:
     docker:
       - image: circleci/node:6.12
     environment:
-      CONTRACTS_COMMIT_HASH: 'e0f509f'
+      CONTRACTS_COMMIT_HASH: '9ed05f5'
     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 8eb4d250f..1105af3b0 100644
--- a/packages/0x.js/src/artifacts/EtherToken.json
+++ b/packages/0x.js/src/artifacts/EtherToken.json
@@ -278,7 +278,7 @@
       "address": "0x653e49e301e508a13237c0ddc98ae7d4cd2667a1"
     },
     "50": {
-      "address": "0x0b1ba0af832d7c05fd64161e0db78e85978e8082"
+      "address": "0x871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c"
     }
   }
 }
diff --git a/packages/0x.js/src/artifacts/Exchange.json b/packages/0x.js/src/artifacts/Exchange.json
index fa16637af..cf9124ca7 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": "0x34d402f14d58e001d8efbe6585051bf9706aa064"
+      "address": "0x48bacb9266a570d521063ef5dd96e61686dbe788"
     }
   }
 }
diff --git a/packages/0x.js/src/artifacts/TokenRegistry.json b/packages/0x.js/src/artifacts/TokenRegistry.json
index c15729dbc..973a101e8 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": "0x48bacb9266a570d521063ef5dd96e61686dbe788"
+      "address": "0x0b1ba0af832d7c05fd64161e0db78e85978e8082"
     }
   }
 }