diff --git a/yarn.lock b/yarn.lock
index 868b8bdf..28bb197c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -55,7 +55,12 @@
     js-sha3 "^0.7.0"
     uuid "^3.3.2"
 
-"@0x/contract-addresses@^6.6.0", "@0x/contract-addresses@^6.9.0":
+"@0x/contract-addresses@^6.11.0", "@0x/contract-addresses@^6.6.0":
+  version "6.25.0"
+  resolved "https://registry.yarnpkg.com/@0x/contract-addresses/-/contract-addresses-6.25.0.tgz#bb0d138d40924244482336153317f0e8a5d42b0a"
+  integrity sha512-0Kr2sMupS2wNqWLvWg8fnBdOHWwLKjhsIlazUBkDpQWyNOO/eI/bwoxwMOmxf0hVSmSL5/Vn1bulltLBdKIWww==
+
+"@0x/contract-addresses@^6.9.0":
   version "6.9.0"
   resolved "https://registry.yarnpkg.com/@0x/contract-addresses/-/contract-addresses-6.9.0.tgz#910115ba5a9de8a7d9d03b44390c8b509cfed8a6"
   integrity sha512-puG1PRxs9qQpDCxcLK0x6YJAHS92zEQJZE4Z3wwX5xZ7jZOcMlKS2JRtv2xDTdHRNmkUr4o7ei+yFZD2BNRL4g==
@@ -2513,12 +2518,12 @@ create-hmac@^1.1.0, create-hmac@^1.1.4, create-hmac@^1.1.7:
     sha.js "^2.4.8"
 
 cross-fetch@^2.1.0, cross-fetch@^2.1.1:
-  version "2.2.5"
-  resolved "https://registry.yarnpkg.com/cross-fetch/-/cross-fetch-2.2.5.tgz#afaf5729f3b6c78d89c9296115c9f142541a5705"
-  integrity sha512-xqYAhQb4NhCJSRym03dwxpP1bYXpK3y7UN83Bo2WFi3x1Zmzn0SL/6xGoPr+gpt4WmNrgCCX3HPysvOwFOW36w==
+  version "2.2.6"
+  resolved "https://registry.yarnpkg.com/cross-fetch/-/cross-fetch-2.2.6.tgz#2ef0bb39a24ac034787965c457368a28730e220a"
+  integrity sha512-9JZz+vXCmfKUZ68zAptS7k4Nu8e2qcibe7WVZYps7sAgk5R8GYTc+T1WR0v1rlP9HxgARmOX1UTIJZFytajpNA==
   dependencies:
-    node-fetch "2.6.1"
-    whatwg-fetch "2.0.4"
+    node-fetch "^2.6.7"
+    whatwg-fetch "^2.0.4"
 
 cross-spawn@^6.0.5:
   version "6.0.5"
@@ -5752,11 +5757,6 @@ node-cron@^2.0.3:
     opencollective-postinstall "^2.0.0"
     tz-offset "0.0.1"
 
-node-fetch@2.6.1:
-  version "2.6.1"
-  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.1.tgz#045bd323631f76ed2e2b55573394416b639a0052"
-  integrity sha512-V4aYg89jEoVRxRb2fJdAg8FHvI7cEyYdVAh94HH0UIK8oJxUfkjlDQN9RbMx+bEjP7+ggMiFRprSti032Oipxw==
-
 node-fetch@^1.0.1, node-fetch@~1.7.1:
   version "1.7.3"
   resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-1.7.3.tgz#980f6f72d85211a5347c6b2bc18c5b84c3eb47ef"
@@ -5765,6 +5765,13 @@ node-fetch@^1.0.1, node-fetch@~1.7.1:
     encoding "^0.1.11"
     is-stream "^1.0.1"
 
+node-fetch@^2.6.7:
+  version "2.6.7"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.7.tgz#24de9fba827e3b4ae44dc8b20256a379160052ad"
+  integrity sha512-ZjMPFEfVx5j+y2yF35Kzx5sF7kDzxuDj6ziH4FFbOp87zKDZNx8yExJIb05OGF4Nlt9IHFIMBkRl41VdvcNdbQ==
+  dependencies:
+    whatwg-url "^5.0.0"
+
 node-gyp-build@^4.2.0, node-gyp-build@^4.3.0:
   version "4.3.0"
   resolved "https://registry.yarnpkg.com/node-gyp-build/-/node-gyp-build-4.3.0.tgz#9f256b03e5826150be39c764bf51e993946d71a3"
@@ -7598,6 +7605,11 @@ tough-cookie@~2.5.0:
     psl "^1.1.28"
     punycode "^2.1.1"
 
+tr46@~0.0.3:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/tr46/-/tr46-0.0.3.tgz#8184fd347dac9cdc185992f3a6622e14b9d9ab6a"
+  integrity sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==
+
 trim-right@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
@@ -8527,6 +8539,11 @@ web3@^1.2.2:
     web3-shh "1.6.1"
     web3-utils "1.6.1"
 
+webidl-conversions@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz#24534275e2a7bc6be7bc86611cc16ae0a5654871"
+  integrity sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==
+
 websocket@1.0.32:
   version "1.0.32"
   resolved "https://registry.yarnpkg.com/websocket/-/websocket-1.0.32.tgz#1f16ddab3a21a2d929dec1687ab21cfdc6d3dbb1"
@@ -8551,16 +8568,24 @@ websocket@^1.0.31, websocket@^1.0.32:
     utf-8-validate "^5.0.2"
     yaeti "^0.0.6"
 
-whatwg-fetch@2.0.4:
-  version "2.0.4"
-  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-2.0.4.tgz#dde6a5df315f9d39991aa17621853d720b85566f"
-  integrity sha512-dcQ1GWpOD/eEQ97k66aiEVpNnapVj90/+R+SXTPYGHpYBBypfKJEQjLrvMZ7YXbKm21gXd4NcuxUTjiv1YtLng==
-
 whatwg-fetch@>=0.10.0:
   version "3.6.2"
   resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-3.6.2.tgz#dced24f37f2624ed0281725d51d0e2e3fe677f8c"
   integrity sha512-bJlen0FcuU/0EMLrdbJ7zOnW6ITZLrZMIarMUVmdKtsGvZna8vxKYaexICWPfZ8qwf9fzNq+UEIZrnSaApt6RA==
 
+whatwg-fetch@^2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-2.0.4.tgz#dde6a5df315f9d39991aa17621853d720b85566f"
+  integrity sha512-dcQ1GWpOD/eEQ97k66aiEVpNnapVj90/+R+SXTPYGHpYBBypfKJEQjLrvMZ7YXbKm21gXd4NcuxUTjiv1YtLng==
+
+whatwg-url@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-5.0.0.tgz#966454e8765462e37644d3626f6742ce8b70965d"
+  integrity sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==
+  dependencies:
+    tr46 "~0.0.3"
+    webidl-conversions "^3.0.0"
+
 which-boxed-primitive@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/which-boxed-primitive/-/which-boxed-primitive-1.0.2.tgz#13757bc89b209b049fe5d86430e21cf40a89a8e6"