diff --git a/CHANGELOG.md b/CHANGELOG.md
index a9acdc79..7e9fbb9f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,17 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [0.19.1](https://github.com/nervosnetwork/ckb-sdk-js/compare/v0.19.0...v0.19.1) (2019-08-28)
+
+
+### Features
+
+* **rpc:** enable custom http agent and https agent ([34fca52](https://github.com/nervosnetwork/ckb-sdk-js/commit/34fca52))
+
+
+
+
+
 # [0.19.0](https://github.com/nervosnetwork/ckb-sdk-js/compare/v0.18.0...v0.19.0) (2019-08-27)
 
 
diff --git a/README.md b/README.md
index 667957b7..c021d9a8 100644
--- a/README.md
+++ b/README.md
@@ -152,8 +152,28 @@ After that you can use the `core` object to generate addresses, send requests, e
 
 # RPC
 
+## Default RPC
+
 Please see [Default RPC](https://github.com/nervosnetwork/ckb-sdk-js/blob/develop/packages/ckb-sdk-rpc/src/defaultRPC.ts#L165)
 
+## Persistent Connection
+
+Please add `httpAgent` or `httpsAgent` to enable the persistent connection.
+
+If the SDK is running in Node.js, the following steps make the persistent connection available.
+
+```javascript
+// HTTP Agent
+const http = require('http')
+const httpAgent = new http.Agent({ keepAlive: true })
+core.rpc.setNode({ httpAgent })
+
+// HTTPS Agent
+const https = require('https')
+const httpsAgent = new https.Agent({ keepAlive: true })
+core.rpc.setNode({ httpsAgent })
+```
+
 # Errors
 
 1. RPC Errors
diff --git a/lerna.json b/lerna.json
index 62a3bdfc..1b978ec8 100644
--- a/lerna.json
+++ b/lerna.json
@@ -2,5 +2,5 @@
   "packages": [
     "packages/*"
   ],
-  "version": "0.19.0"
+  "version": "0.19.1"
 }
diff --git a/packages/ckb-cli/CHANGELOG.md b/packages/ckb-cli/CHANGELOG.md
index 787c7e01..6a6574fb 100644
--- a/packages/ckb-cli/CHANGELOG.md
+++ b/packages/ckb-cli/CHANGELOG.md
@@ -3,6 +3,14 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [0.19.1](https://github.com/nervosnetwork/ckb-sdk-js/compare/v0.19.0...v0.19.1) (2019-08-28)
+
+**Note:** Version bump only for package @nervosnetwork/ckb-cli
+
+
+
+
+
 # [0.19.0](https://github.com/nervosnetwork/ckb-sdk-js/compare/v0.18.0...v0.19.0) (2019-08-27)
 
 
diff --git a/packages/ckb-cli/package.json b/packages/ckb-cli/package.json
index 1b878028..0591b369 100644
--- a/packages/ckb-cli/package.json
+++ b/packages/ckb-cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nervosnetwork/ckb-cli",
-  "version": "0.19.0",
+  "version": "0.19.1",
   "description": "Command line package based on @nervosnetwork/ckb-sdk-core",
   "author": "Nervos <dev@nervos.org>",
   "homepage": "https://github.com/nervosnetwork/ckb-sdk-js#readme",
@@ -34,7 +34,7 @@
     "url": "https://github.com/nervosnetwork/ckb-sdk-js/issues"
   },
   "dependencies": {
-    "@nervosnetwork/ckb-sdk-core": "0.19.0",
+    "@nervosnetwork/ckb-sdk-core": "0.19.1",
     "blessed": "0.1.81",
     "blessed-contrib": "4.8.16",
     "commander": "2.20.0",
@@ -45,5 +45,5 @@
     "@types/crypto-js": "3.1.43",
     "@types/inquirer": "6.0.0"
   },
-  "gitHead": "1f9603b54fe5cf20077bc0aa3542706566866209"
+  "gitHead": "94daf197d31ea697adcdcdf0b2d6875ce8946066"
 }
diff --git a/packages/ckb-sdk-address/CHANGELOG.md b/packages/ckb-sdk-address/CHANGELOG.md
index 16c3b638..0133c172 100644
--- a/packages/ckb-sdk-address/CHANGELOG.md
+++ b/packages/ckb-sdk-address/CHANGELOG.md
@@ -3,6 +3,14 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [0.19.1](https://github.com/nervosnetwork/ckb-sdk-js/compare/v0.19.0...v0.19.1) (2019-08-28)
+
+**Note:** Version bump only for package @nervosnetwork/ckb-sdk-address
+
+
+
+
+
 # [0.19.0](https://github.com/nervosnetwork/ckb-sdk-js/compare/v0.18.0...v0.19.0) (2019-08-27)
 
 **Note:** Version bump only for package @nervosnetwork/ckb-sdk-address
diff --git a/packages/ckb-sdk-address/package.json b/packages/ckb-sdk-address/package.json
index 8fe6762e..cd5cec31 100644
--- a/packages/ckb-sdk-address/package.json
+++ b/packages/ckb-sdk-address/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nervosnetwork/ckb-sdk-address",
-  "version": "0.19.0",
+  "version": "0.19.1",
   "description": "Address module of @nervosnetwork/ckb-sdk-core",
   "keywords": [
     "CKB",
@@ -33,8 +33,8 @@
     "url": "https://github.com/nervosnetwork/ckb-sdk-js/issues"
   },
   "dependencies": {
-    "@nervosnetwork/ckb-sdk-utils": "0.19.0",
-    "@nervosnetwork/ckb-types": "0.19.0"
+    "@nervosnetwork/ckb-sdk-utils": "0.19.1",
+    "@nervosnetwork/ckb-types": "0.19.1"
   },
-  "gitHead": "1f9603b54fe5cf20077bc0aa3542706566866209"
+  "gitHead": "94daf197d31ea697adcdcdf0b2d6875ce8946066"
 }
diff --git a/packages/ckb-sdk-core/CHANGELOG.md b/packages/ckb-sdk-core/CHANGELOG.md
index c9b2cf05..e7aaf0bf 100644
--- a/packages/ckb-sdk-core/CHANGELOG.md
+++ b/packages/ckb-sdk-core/CHANGELOG.md
@@ -3,6 +3,14 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [0.19.1](https://github.com/nervosnetwork/ckb-sdk-js/compare/v0.19.0...v0.19.1) (2019-08-28)
+
+**Note:** Version bump only for package @nervosnetwork/ckb-sdk-core
+
+
+
+
+
 # [0.19.0](https://github.com/nervosnetwork/ckb-sdk-js/compare/v0.18.0...v0.19.0) (2019-08-27)
 
 
diff --git a/packages/ckb-sdk-core/package.json b/packages/ckb-sdk-core/package.json
index 943f33e4..d56ced90 100644
--- a/packages/ckb-sdk-core/package.json
+++ b/packages/ckb-sdk-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nervosnetwork/ckb-sdk-core",
-  "version": "0.19.0",
+  "version": "0.19.1",
   "description": "JavaScript SDK for Nervos Network CKB Project",
   "author": "Nervos <dev@nervos.org>",
   "homepage": "https://github.com/nervosnetwork/ckb-sdk-js#readme",
@@ -29,13 +29,13 @@
     "url": "https://github.com/nervosnetwork/ckb-sdk-js/issues"
   },
   "dependencies": {
-    "@nervosnetwork/ckb-sdk-address": "0.19.0",
-    "@nervosnetwork/ckb-sdk-rpc": "0.19.0",
-    "@nervosnetwork/ckb-sdk-utils": "0.19.0",
-    "@nervosnetwork/ckb-types": "0.19.0"
+    "@nervosnetwork/ckb-sdk-address": "0.19.1",
+    "@nervosnetwork/ckb-sdk-rpc": "0.19.1",
+    "@nervosnetwork/ckb-sdk-utils": "0.19.1",
+    "@nervosnetwork/ckb-types": "0.19.1"
   },
   "devDependencies": {
     "@types/crypto-js": "3.1.43"
   },
-  "gitHead": "1f9603b54fe5cf20077bc0aa3542706566866209"
+  "gitHead": "94daf197d31ea697adcdcdf0b2d6875ce8946066"
 }
diff --git a/packages/ckb-sdk-rpc/CHANGELOG.md b/packages/ckb-sdk-rpc/CHANGELOG.md
index db94aa32..d3f3a4a9 100644
--- a/packages/ckb-sdk-rpc/CHANGELOG.md
+++ b/packages/ckb-sdk-rpc/CHANGELOG.md
@@ -3,6 +3,17 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [0.19.1](https://github.com/nervosnetwork/ckb-sdk-js/compare/v0.19.0...v0.19.1) (2019-08-28)
+
+
+### Features
+
+* **rpc:** enable custom http agent and https agent ([34fca52](https://github.com/nervosnetwork/ckb-sdk-js/commit/34fca52))
+
+
+
+
+
 # [0.19.0](https://github.com/nervosnetwork/ckb-sdk-js/compare/v0.18.0...v0.19.0) (2019-08-27)
 
 
diff --git a/packages/ckb-sdk-rpc/__tests__/ckb-rpc-helpers.js b/packages/ckb-sdk-rpc/__tests__/ckb-rpc-helpers.js
index 9281f820..67a1f7f4 100644
--- a/packages/ckb-sdk-rpc/__tests__/ckb-rpc-helpers.js
+++ b/packages/ckb-sdk-rpc/__tests__/ckb-rpc-helpers.js
@@ -1,4 +1,6 @@
 const path = require('path')
+const http = require('http')
+const https = require('https')
 
 const env = path.join(__dirname, '../.env')
 
@@ -32,7 +34,7 @@ describe('ckb-rpc settings and helpers', () => {
     rpc.setDebugLevel(DebugLevel.Off)
   })
 
-  it('set node', () => {
+  it('set node url', () => {
     const node = {
       url: 'http://localhost:8114',
     }
@@ -40,6 +42,24 @@ describe('ckb-rpc settings and helpers', () => {
     expect(rpc.node).toEqual(node)
   })
 
+  it('set http agent', () => {
+    const httpAgent = new http.Agent()
+    const node = {
+      httpAgent,
+    }
+    rpc.setNode(node)
+    expect(rpc.node.httpAgent).toBeDefined()
+  })
+
+  it('set https agent', () => {
+    const httpsAgent = new https.Agent()
+    const node = {
+      httpsAgent,
+    }
+    rpc.setNode(node)
+    expect(rpc.node.httpsAgent).toBeDefined()
+  })
+
   it('has 27 default rpc', () => {
     expect(rpc.methods.length).toBe(27)
   })
diff --git a/packages/ckb-sdk-rpc/package.json b/packages/ckb-sdk-rpc/package.json
index 9ee067c3..fe9907e9 100644
--- a/packages/ckb-sdk-rpc/package.json
+++ b/packages/ckb-sdk-rpc/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nervosnetwork/ckb-sdk-rpc",
-  "version": "0.19.0",
+  "version": "0.19.1",
   "description": "RPC module of @nervosnetwork/ckb-sdk-core",
   "author": "Nervos <dev@nervos.org>",
   "homepage": "https://github.com/nervosnetwork/ckb-sdk-js/packages/ckb-rpc#readme",
@@ -32,12 +32,12 @@
     "url": "https://github.com/nervosnetwork/ckb-sdk-js/issues"
   },
   "dependencies": {
-    "@nervosnetwork/ckb-sdk-utils": "0.19.0",
+    "@nervosnetwork/ckb-sdk-utils": "0.19.1",
     "axios": "0.19.0"
   },
   "devDependencies": {
-    "@nervosnetwork/ckb-types": "0.19.0",
+    "@nervosnetwork/ckb-types": "0.19.1",
     "@types/crypto-js": "3.1.43"
   },
-  "gitHead": "1f9603b54fe5cf20077bc0aa3542706566866209"
+  "gitHead": "94daf197d31ea697adcdcdf0b2d6875ce8946066"
 }
diff --git a/packages/ckb-sdk-rpc/src/method.ts b/packages/ckb-sdk-rpc/src/method.ts
index 76ff7c17..81336181 100644
--- a/packages/ckb-sdk-rpc/src/method.ts
+++ b/packages/ckb-sdk-rpc/src/method.ts
@@ -34,6 +34,8 @@ class Method {
       },
       data: payload,
       url: this.node.url,
+      httpAgent: this.node.httpAgent,
+      httpsAgent: this.node.httpsAgent,
     }).then(res => {
       if (res.data.id !== id) {
         throw new Error('JSONRPC id not match')
diff --git a/packages/ckb-sdk-utils/CHANGELOG.md b/packages/ckb-sdk-utils/CHANGELOG.md
index 822ccba5..19dc44fb 100644
--- a/packages/ckb-sdk-utils/CHANGELOG.md
+++ b/packages/ckb-sdk-utils/CHANGELOG.md
@@ -3,6 +3,14 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [0.19.1](https://github.com/nervosnetwork/ckb-sdk-js/compare/v0.19.0...v0.19.1) (2019-08-28)
+
+**Note:** Version bump only for package @nervosnetwork/ckb-sdk-utils
+
+
+
+
+
 # [0.19.0](https://github.com/nervosnetwork/ckb-sdk-js/compare/v0.18.0...v0.19.0) (2019-08-27)
 
 
diff --git a/packages/ckb-sdk-utils/package.json b/packages/ckb-sdk-utils/package.json
index 218b55db..8acb73ec 100644
--- a/packages/ckb-sdk-utils/package.json
+++ b/packages/ckb-sdk-utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nervosnetwork/ckb-sdk-utils",
-  "version": "0.19.0",
+  "version": "0.19.1",
   "description": "Utils module of @nervosnetwork/ckb-sdk-core",
   "author": "Nervos <dev@nervos.org>",
   "homepage": "https://github.com/nervosnetwork/ckb-sdk-js#readme",
@@ -30,7 +30,7 @@
     "url": "https://github.com/nervosnetwork/ckb-sdk-js/issues"
   },
   "dependencies": {
-    "@nervosnetwork/ckb-types": "0.19.0",
+    "@nervosnetwork/ckb-types": "0.19.1",
     "blake2b-wasm": "1.1.7",
     "elliptic": "6.4.1"
   },
@@ -39,5 +39,5 @@
     "@types/elliptic": "6.4.8",
     "@types/utf8": "2.1.6"
   },
-  "gitHead": "1f9603b54fe5cf20077bc0aa3542706566866209"
+  "gitHead": "94daf197d31ea697adcdcdf0b2d6875ce8946066"
 }
diff --git a/packages/ckb-types/CHANGELOG.md b/packages/ckb-types/CHANGELOG.md
index ada3b612..ebf9ca52 100644
--- a/packages/ckb-types/CHANGELOG.md
+++ b/packages/ckb-types/CHANGELOG.md
@@ -3,6 +3,17 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [0.19.1](https://github.com/nervosnetwork/ckb-sdk-js/compare/v0.19.0...v0.19.1) (2019-08-28)
+
+
+### Features
+
+* **rpc:** enable custom http agent and https agent ([34fca52](https://github.com/nervosnetwork/ckb-sdk-js/commit/34fca52))
+
+
+
+
+
 # [0.19.0](https://github.com/nervosnetwork/ckb-sdk-js/compare/v0.18.0...v0.19.0) (2019-08-27)
 
 
diff --git a/packages/ckb-types/index.d.ts b/packages/ckb-types/index.d.ts
index 1a50e17c..fc68baa2 100644
--- a/packages/ckb-types/index.d.ts
+++ b/packages/ckb-types/index.d.ts
@@ -38,6 +38,8 @@ declare namespace CKBComponents {
   export type Since = string
   export interface Node {
     url: string
+    httpAgent?: any
+    httpsAgent?: any
   }
   export interface Method {
     name: string
diff --git a/packages/ckb-types/package.json b/packages/ckb-types/package.json
index a47a1345..ca4145a9 100644
--- a/packages/ckb-types/package.json
+++ b/packages/ckb-types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nervosnetwork/ckb-types",
-  "version": "0.19.0",
+  "version": "0.19.1",
   "description": "Type module of @nervosnetwork/ckb-sdk-core",
   "author": "Nervos <dev@nervos.org>",
   "homepage": "https://github.com/nervosnetwork/ckb-sdk-js#readme",
@@ -26,5 +26,5 @@
   "devDependencies": {
     "@types/crypto-js": "3.1.43"
   },
-  "gitHead": "1f9603b54fe5cf20077bc0aa3542706566866209"
+  "gitHead": "94daf197d31ea697adcdcdf0b2d6875ce8946066"
 }
diff --git a/yarn.lock b/yarn.lock
index 80302ffa..1eb584a2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2713,9 +2713,9 @@ eslint-plugin-import@^2.14.0:
     resolve "^1.11.0"
 
 eslint-plugin-jest@^22.1.2:
-  version "22.15.1"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-jest/-/eslint-plugin-jest-22.15.1.tgz#54c4a752a44c4bc5a564ecc22b32e1cd16a2961a"
-  integrity sha512-CWq/RR/3tLaKFB+FZcCJwU9hH5q/bKeO3rFP8G07+q7hcDCFNqpvdphVbEbGE6o6qo1UbciEev4ejUWv7brUhw==
+  version "22.15.2"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-jest/-/eslint-plugin-jest-22.15.2.tgz#e3c10d9391f787744e31566f69ebb70c3a98e398"
+  integrity sha512-p4NME9TgXIt+KgpxcXyNBvO30ZKxwFAO1dJZBc2OGfDnXVEtPwEyNs95GSr6RIE3xLHdjd8ngDdE2icRRXrbxg==
   dependencies:
     "@typescript-eslint/experimental-utils" "^1.13.0"
 
@@ -2735,14 +2735,16 @@ eslint-scope@^4.0.0, eslint-scope@^4.0.3:
     estraverse "^4.1.1"
 
 eslint-utils@^1.3.1:
-  version "1.3.1"
-  resolved "https://registry.npmjs.org/eslint-utils/-/eslint-utils-1.3.1.tgz#9a851ba89ee7c460346f97cf8939c7298827e512"
-  integrity sha512-Z7YjnIldX+2XMcjr7ZkgEsOj/bREONV60qYeB/bjMAqqqZ4zxKyWX+BOUkdmRmA9riiIPVvo5x86m5elviOk0Q==
+  version "1.4.2"
+  resolved "https://registry.yarnpkg.com/eslint-utils/-/eslint-utils-1.4.2.tgz#166a5180ef6ab7eb462f162fd0e6f2463d7309ab"
+  integrity sha512-eAZS2sEUMlIeCjBeubdj45dmBHQwPHWyBcT1VSYB7o9x9WRRqKxyUoiXlRjyAwzN7YEzHJlYg0NmzDRWx6GP4Q==
+  dependencies:
+    eslint-visitor-keys "^1.0.0"
 
 eslint-visitor-keys@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz#3f3180fb2e291017716acb4c9d6d5b5c34a6a81d"
-  integrity sha512-qzm/XxIbxm/FHyH341ZrbnMUpe+5Bocte9xkmFMzPMjRaZMcXww+MpBptFvtU+79L362nqiLhekCxCxDPaUMBQ==
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.1.0.tgz#e2a82cea84ff246ad6fb57f9bde5b46621459ec2"
+  integrity sha512-8y9YjtM1JBJU/A9Kc+SbaOV4y29sSWckBwMHa+FGtVj5gN/sbnKDf6xJUl+8g7FAij9LVaP8C24DUiH/f/2Z9A==
 
 eslint@^5.10.0:
   version "5.16.0"
@@ -3113,7 +3115,7 @@ fn-name@~2.0.1:
 
 for-in@^1.0.2:
   version "1.0.2"
-  resolved "https://registry.npmjs.org/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
+  resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
   integrity sha1-gQaNKVqBQuwKxybG4iAMMPttXoA=
 
 forever-agent@~0.6.1:
@@ -3874,7 +3876,7 @@ is-extendable@^0.1.0, is-extendable@^0.1.1:
 
 is-extendable@^1.0.1:
   version "1.0.1"
-  resolved "https://registry.npmjs.org/is-extendable/-/is-extendable-1.0.1.tgz#a7470f9e426733d81bd81e1155264e3a3507cab4"
+  resolved "https://registry.yarnpkg.com/is-extendable/-/is-extendable-1.0.1.tgz#a7470f9e426733d81bd81e1155264e3a3507cab4"
   integrity sha512-arnXMxT1hhoKo9k1LZdmlNyJdDDfy2v0fXjFlmok4+i8ul/6WlbVge9bhM74OpNPQPMGUToDtz+KXa1PneJxOA==
   dependencies:
     is-plain-object "^2.0.4"
@@ -3974,7 +3976,7 @@ is-plain-obj@^1.0.0, is-plain-obj@^1.1.0:
 
 is-plain-object@^2.0.1, is-plain-object@^2.0.3, is-plain-object@^2.0.4:
   version "2.0.4"
-  resolved "https://registry.npmjs.org/is-plain-object/-/is-plain-object-2.0.4.tgz#2c163b3fafb1b606d9d17928f05c2a1c38e07677"
+  resolved "https://registry.yarnpkg.com/is-plain-object/-/is-plain-object-2.0.4.tgz#2c163b3fafb1b606d9d17928f05c2a1c38e07677"
   integrity sha512-h5PpgXkWitc38BBMYawTYMWJHFZJVnBquFE57xFpjB8pJFiF6gZ+bU+WyI/yqXiFR5mdLsgYNaPe8uao6Uv9Og==
   dependencies:
     isobject "^3.0.1"
@@ -4080,7 +4082,7 @@ isobject@^2.0.0:
 
 isobject@^3.0.0, isobject@^3.0.1:
   version "3.0.1"
-  resolved "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz#4e431e92b11a9731636aa1f9c8d1ccbcfdab78df"
+  resolved "https://registry.yarnpkg.com/isobject/-/isobject-3.0.1.tgz#4e431e92b11a9731636aa1f9c8d1ccbcfdab78df"
   integrity sha1-TkMekrEalzFjaqH5yNHMvP2reN8=
 
 isobject@^4.0.0:
@@ -5221,9 +5223,9 @@ mississippi@^3.0.0:
     through2 "^2.0.0"
 
 mixin-deep@^1.2.0:
-  version "1.3.1"
-  resolved "https://registry.npmjs.org/mixin-deep/-/mixin-deep-1.3.1.tgz#a49e7268dce1a0d9698e45326c5626df3543d0fe"
-  integrity sha512-8ZItLHeEgaqEvd5lYBXfm4EZSFCX29Jb9K+lAHhDKzReKBQKj3R+7NOF6tjqYi9t4oI8VUfaWITJQm86wnXGNQ==
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/mixin-deep/-/mixin-deep-1.3.2.tgz#1120b43dc359a785dce65b55b82e257ccf479566"
+  integrity sha512-WRoDn//mXBiJ1H40rqa3vH0toePwSsGb45iInWlTySa+Uu4k3tYUSxa2v1KqAiLtvlrSzaExqS1gtk96A9zvEA==
   dependencies:
     for-in "^1.0.2"
     is-extendable "^1.0.1"