diff --git a/packages/instant/src/index.umd.ts b/packages/instant/src/index.umd.ts
index 89a20827c1..099544a085 100644
--- a/packages/instant/src/index.umd.ts
+++ b/packages/instant/src/index.umd.ts
@@ -73,7 +73,7 @@ export const unrender = () => {
     }
 
     ReactDOM.unmountComponentAtNode(injectedDiv);
-    if (parentElement) {
+    if (parentElement && parentElement.contains(injectedDiv)) {
         parentElement.removeChild(injectedDiv);
     }
 };
diff --git a/yarn.lock b/yarn.lock
index 84e8cfaf81..3b3cb836f3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -489,6 +489,23 @@
     ethers "~4.0.4"
     lodash "^4.17.11"
 
+"@0x/contracts-asset-proxy@^1.0.2":
+  version "1.0.9"
+  resolved "https://registry.npmjs.org/@0x/contracts-asset-proxy/-/contracts-asset-proxy-1.0.9.tgz#3a48e64b93ddc642834bde1bd09cdd84ca688a2b"
+  integrity sha512-AnKE0eDejl3G4xRzwOa2S2usiAoRvyV3lU/sOhwkG53KC6RHQGu9g50zcLHMHmTl9I088eEa423QwbeBxgmtcQ==
+  dependencies:
+    "@0x/base-contract" "^5.0.2"
+    "@0x/contracts-erc20" "^1.0.9"
+    "@0x/contracts-erc721" "^1.0.9"
+    "@0x/contracts-utils" "2.0.1"
+    "@0x/order-utils" "^7.0.2"
+    "@0x/types" "^2.1.1"
+    "@0x/typescript-typings" "^4.1.0"
+    "@0x/utils" "^4.2.2"
+    "@0x/web3-wrapper" "^6.0.2"
+    ethereum-types "^2.1.0"
+    lodash "^4.17.11"
+
 "@0x/contracts-erc20@1.0.8":
   version "1.0.8"
   resolved "https://registry.npmjs.org/@0x/contracts-erc20/-/contracts-erc20-1.0.8.tgz#882f3acf1a44148800d9bef692aa377627df9ace"
@@ -503,6 +520,21 @@
     ethereum-types "^2.1.0"
     lodash "^4.17.11"
 
+"@0x/contracts-erc20@^1.0.2", "@0x/contracts-erc20@^1.0.9":
+  version "1.0.9"
+  resolved "https://registry.npmjs.org/@0x/contracts-erc20/-/contracts-erc20-1.0.9.tgz#366ce8222dcae5ade0ea7ca95332416a080f6abf"
+  integrity sha512-CJwEWrGf0tvpnraEW+TPTjpMcwj9yDem1xVbER0qV49RRZupasVIcQmaZi4ZUpZqo4X67ZOx8uijgLXFDB9NDw==
+  dependencies:
+    "@0x/base-contract" "^5.0.2"
+    "@0x/contracts-exchange-libs" "1.0.2"
+    "@0x/contracts-utils" "2.0.1"
+    "@0x/types" "^2.1.1"
+    "@0x/typescript-typings" "^4.1.0"
+    "@0x/utils" "^4.2.2"
+    "@0x/web3-wrapper" "^6.0.2"
+    ethereum-types "^2.1.0"
+    lodash "^4.17.11"
+
 "@0x/contracts-erc721@1.0.8":
   version "1.0.8"
   resolved "https://registry.npmjs.org/@0x/contracts-erc721/-/contracts-erc721-1.0.8.tgz#d3746c26eec57662654557121601b5bb81085637"
@@ -516,6 +548,20 @@
     ethereum-types "^2.1.0"
     lodash "^4.17.11"
 
+"@0x/contracts-erc721@^1.0.2", "@0x/contracts-erc721@^1.0.9":
+  version "1.0.9"
+  resolved "https://registry.npmjs.org/@0x/contracts-erc721/-/contracts-erc721-1.0.9.tgz#3991858a3bf5a80dcd6e5fd65e938f8adc3b347c"
+  integrity sha512-Q4T93VEUChyLAz1bNRLidCtJ2/bfU1vsbeZGQeCrmm/Lcjaqm72B44SpLAiLBdTpyTfWT5gfvK+uQr1BtXTUVQ==
+  dependencies:
+    "@0x/base-contract" "^5.0.2"
+    "@0x/contracts-utils" "2.0.1"
+    "@0x/types" "^2.1.1"
+    "@0x/typescript-typings" "^4.1.0"
+    "@0x/utils" "^4.2.2"
+    "@0x/web3-wrapper" "^6.0.2"
+    ethereum-types "^2.1.0"
+    lodash "^4.17.11"
+
 "@0x/contracts-exchange-libs@1.0.2":
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/@0x/contracts-exchange-libs/-/contracts-exchange-libs-1.0.2.tgz#0682c01cdb3e36100bda0ffbdf9badb5b8a01fc4"
@@ -530,6 +576,21 @@
     ethereum-types "^2.0.0"
     lodash "^4.17.5"
 
+"@0x/contracts-exchange-libs@^1.0.2":
+  version "1.1.3"
+  resolved "https://registry.npmjs.org/@0x/contracts-exchange-libs/-/contracts-exchange-libs-1.1.3.tgz#dc9429e9c5fc750e9f5006e5ad53ebd7aa577c28"
+  integrity sha512-M2kAMN6SO78sMyCuJLjen10CqoUNkeCFD2T8MYMpMcWWWFXTlyyeJgPllZf/ySlXSBziyJUcCRZjdwbZfF7AYQ==
+  dependencies:
+    "@0x/base-contract" "^5.0.2"
+    "@0x/contracts-utils" "^2.0.8"
+    "@0x/order-utils" "^7.0.2"
+    "@0x/types" "^2.1.1"
+    "@0x/typescript-typings" "^4.1.0"
+    "@0x/utils" "^4.2.2"
+    "@0x/web3-wrapper" "^6.0.2"
+    ethereum-types "^2.1.0"
+    lodash "^4.17.11"
+
 "@0x/contracts-exchange@1.0.2":
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/@0x/contracts-exchange/-/contracts-exchange-1.0.2.tgz#4c02378b26a7bf6324e16a41f2851c43fed82c63"
@@ -565,6 +626,22 @@
     ethereumjs-util "^5.1.1"
     lodash "^4.17.5"
 
+"@0x/contracts-utils@^2.0.1", "@0x/contracts-utils@^2.0.8":
+  version "2.0.8"
+  resolved "https://registry.npmjs.org/@0x/contracts-utils/-/contracts-utils-2.0.8.tgz#b6a3775296e04c7ca9ebea7eae56fda48a43239d"
+  integrity sha512-5I1wq4ImjsIgjBNDl5F6qwJMDc6sm52vVGIxz+v9N6hUcJwaxa/SYeZ4EA5BpFdHK73xtvNe4CeRK2+g9Pt5UA==
+  dependencies:
+    "@0x/base-contract" "^5.0.2"
+    "@0x/order-utils" "^7.0.2"
+    "@0x/types" "^2.1.1"
+    "@0x/typescript-typings" "^4.1.0"
+    "@0x/utils" "^4.2.2"
+    "@0x/web3-wrapper" "^6.0.2"
+    bn.js "^4.11.8"
+    ethereum-types "^2.1.0"
+    ethereumjs-util "^5.1.1"
+    lodash "^4.17.11"
+
 "@0x/order-utils@^5.0.0":
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/@0x/order-utils/-/order-utils-5.0.0.tgz#7f43e0310ace31738895881501c8dda9c3a3aefa"
@@ -13605,8 +13682,6 @@ react-highlight@0xproject/react-highlight#react-peer-deps:
   dependencies:
     highlight.js "^9.11.0"
     highlightjs-solidity "^1.0.5"
-    react "^16.5.2"
-    react-dom "^16.5.2"
 
 react-hot-loader@^4.3.3:
   version "4.3.4"