diff --git a/blog/src/versions/3.13.4/package.json b/blog/src/versions/3.13.4/package.json
index 878c871..14b2159 100644
--- a/blog/src/versions/3.13.4/package.json
+++ b/blog/src/versions/3.13.4/package.json
@@ -114,7 +114,7 @@
     "moment-timezone": "0.5.23",
     "multer": "1.4.2",
     "mysql": "2.18.1",
-    "nconf": "0.10.0",
+    "nconf": "0.11.4",
     "netjet": "1.3.0",
     "node-jose": "1.1.4",
     "nodemailer": "0.7.1",
diff --git a/blog/src/versions/3.13.4/yarn.lock b/blog/src/versions/3.13.4/yarn.lock
index 5f1a16a..6e3cbfe 100644
--- a/blog/src/versions/3.13.4/yarn.lock
+++ b/blog/src/versions/3.13.4/yarn.lock
@@ -855,6 +855,11 @@ ansi-regex@^5.0.0:
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-5.0.0.tgz#388539f55179bf39339c81af30a654d69f87cb75"
   integrity sha512-bY6fj56OUQ0hU1KjFNDQuJFezqKdrAyFdIevADiqrWHwSlbmBNMHp5ak2f40Pm8JTFyM2mqxkG6ngkHO11f/lg==
 
+ansi-regex@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-5.0.1.tgz#082cb2c89c9fe8659a311a53bd6a4dc5301db304"
+  integrity sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==
+
 ansi-styles@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-2.2.1.tgz#b432dd3358b634cf75e1e4664368240533c1ddbe"
@@ -867,6 +872,13 @@ ansi-styles@^3.1.0, ansi-styles@^3.2.0, ansi-styles@^3.2.1:
   dependencies:
     color-convert "^1.9.0"
 
+ansi-styles@^4.0.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-4.3.0.tgz#edd803628ae71c04c85ae7a0906edad34b648937"
+  integrity sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==
+  dependencies:
+    color-convert "^2.0.1"
+
 ansi-styles@^4.1.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-4.2.0.tgz#5681f0dcf7ae5880a7841d8831c4724ed9cc0172"
@@ -1731,6 +1743,15 @@ cliui@^5.0.0:
     strip-ansi "^5.2.0"
     wrap-ansi "^5.1.0"
 
+cliui@^7.0.2:
+  version "7.0.4"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-7.0.4.tgz#a0265ee655476fc807aea9df3df8df7783808b4f"
+  integrity sha512-OcRE68cOsVMXp1Yvonl/fzkQOyjLSu/8bhPDfQt0e0/Eb283TKP20Fs2MqoPsr9SwA595rRCA+QMzYc9nBP+JQ==
+  dependencies:
+    string-width "^4.2.0"
+    strip-ansi "^6.0.0"
+    wrap-ansi "^7.0.0"
+
 clone-response@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/clone-response/-/clone-response-1.0.2.tgz#d1dc973920314df67fbeb94223b4ee350239e96b"
@@ -2805,6 +2826,11 @@ es6-promisify@^5.0.0:
   dependencies:
     es6-promise "^4.0.3"
 
+escalade@^3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/escalade/-/escalade-3.1.1.tgz#d8cfdc7000965c5a0174b4a82eaa5c0552742e40"
+  integrity sha512-k0er2gUkLf8O0zKJiAhmkTnJlTvINGv7ygDNPbeIsX/TJjGJZHuh9B2UxbsaEkmlEo9MfhrSzmhIlhRlI2GXnw==
+
 escape-html@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
@@ -3578,7 +3604,7 @@ generate-object-property@^1.0.0:
   dependencies:
     is-property "^1.0.0"
 
-get-caller-file@^2.0.1:
+get-caller-file@^2.0.1, get-caller-file@^2.0.5:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-2.0.5.tgz#4f94412a82db32f36e3b0b9741f8a97feb031f7e"
   integrity sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==
@@ -4467,6 +4493,11 @@ ini@^1.3.0, ini@^1.3.4, ini@~1.3.0:
   resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"
   integrity sha512-RZY5huIKCMRWDUqZlEi72f/lmXKMvuszcMBduliQ3nnWbx9X/ZBQO7DijMEYS9EhHBb2qacRUMtC7svLwe0lcw==
 
+ini@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/ini/-/ini-2.0.0.tgz#e5fd556ecdd5726be978fa1001862eacb0a94bc5"
+  integrity sha512-7PnF4oN3CvZF23ADhA5wRaYEQpJ8qygSkbtTXWBeXWXmEVRXK+1ITciHWwHhsjv1TmW0MgacIv6hEi5pX5NQdA==
+
 inquirer@^7.0.0:
   version "7.0.4"
   resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-7.0.4.tgz#99af5bde47153abca23f5c7fc30db247f39da703"
@@ -6192,6 +6223,16 @@ nconf@0.10.0, nconf@^0.10.0:
     secure-keys "^1.0.0"
     yargs "^3.19.0"
 
+nconf@0.11.4:
+  version "0.11.4"
+  resolved "https://registry.yarnpkg.com/nconf/-/nconf-0.11.4.tgz#7f925d27569738a2a10c3ba4b56310c8821b308b"
+  integrity sha512-YaDR846q11JnG1vTrhJ0QIlhiGY6+W1bgWtReG9SS3vkTl3AoNwFvUItdhG6/ZjGCfWpUVuRTNEBTDAQ3nWhGw==
+  dependencies:
+    async "^1.4.0"
+    ini "^2.0.0"
+    secure-keys "^1.0.0"
+    yargs "^16.1.1"
+
 ncp@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ncp/-/ncp-2.0.0.tgz#195a21d6c46e361d2fb1281ba38b91e9df7bdbb3"
@@ -8563,6 +8604,15 @@ string-width@^4.1.0:
     is-fullwidth-code-point "^3.0.0"
     strip-ansi "^6.0.0"
 
+string-width@^4.2.0:
+  version "4.2.3"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-4.2.3.tgz#269c7117d27b05ad2e536830a8ec895ef9c6d010"
+  integrity sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==
+  dependencies:
+    emoji-regex "^8.0.0"
+    is-fullwidth-code-point "^3.0.0"
+    strip-ansi "^6.0.1"
+
 string.prototype.trimend@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/string.prototype.trimend/-/string.prototype.trimend-1.0.0.tgz#ee497fd29768646d84be2c9b819e292439614373"
@@ -8671,6 +8721,13 @@ strip-ansi@^6.0.0:
   dependencies:
     ansi-regex "^5.0.0"
 
+strip-ansi@^6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-6.0.1.tgz#9e26c63d30f53443e9489495b2105d37b67a85d9"
+  integrity sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==
+  dependencies:
+    ansi-regex "^5.0.1"
+
 strip-bom@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-2.0.0.tgz#6219a85616520491f35788bdbf1447a99c7e6b0e"
@@ -9621,6 +9678,15 @@ wrap-ansi@^5.1.0:
     string-width "^3.0.0"
     strip-ansi "^5.0.0"
 
+wrap-ansi@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-7.0.0.tgz#67e145cff510a6a6984bdf1152911d69d2eb9e43"
+  integrity sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==
+  dependencies:
+    ansi-styles "^4.0.0"
+    string-width "^4.1.0"
+    strip-ansi "^6.0.0"
+
 wrappy@1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
@@ -9690,6 +9756,11 @@ y18n@^4.0.0:
   resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.0.tgz#95ef94f85ecc81d007c264e190a120f0a3c8566b"
   integrity sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==
 
+y18n@^5.0.5:
+  version "5.0.8"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-5.0.8.tgz#7f4934d0f7ca8c56f95314939ddcd2dd91ce1d55"
+  integrity sha512-0pfFzegeDWJHJIAmTLRP2DwHjdF5s7jo9tuztdQxAhINCdvS+3nGINqPd00AphqJR/0LhANUS6/+7SCb98YOfA==
+
 yallist@^2.0.0, yallist@^2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-2.1.2.tgz#1c11f9218f076089a47dd512f93c6699a6a81d52"
@@ -9713,13 +9784,10 @@ yargs-parser@13.1.2, yargs-parser@^13.1.2:
     camelcase "^5.0.0"
     decamelize "^1.2.0"
 
-yargs-parser@^13.1.1:
-  version "13.1.1"
-  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-13.1.1.tgz#d26058532aa06d365fe091f6a1fc06b2f7e5eca0"
-  integrity sha512-oVAVsHz6uFrg3XQheFII8ESO2ssAf9luWuAd6Wexsu4F3OtIW0o8IribPXYrD4WC24LWtPrJlGy87y5udK+dxQ==
-  dependencies:
-    camelcase "^5.0.0"
-    decamelize "^1.2.0"
+yargs-parser@^20.2.2:
+  version "20.2.9"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-20.2.9.tgz#2eb7dc3b0289718fc295f362753845c41a0c94ee"
+  integrity sha512-y11nGElTIV+CT3Zv9t7VKl+Q3hTQoT9a1Qzezhhl6Rp21gJ/IVTW7Z3y9EWXhuUBC2Shnf+DX0antecpAwSP8w==
 
 yargs-unparser@1.6.0:
   version "1.6.0"
@@ -9730,7 +9798,7 @@ yargs-unparser@1.6.0:
     lodash "^4.17.15"
     yargs "^13.3.0"
 
-yargs@13.3.2:
+yargs@13.3.2, yargs@^13.3.0:
   version "13.3.2"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-13.3.2.tgz#ad7ffefec1aa59565ac915f82dccb38a9c31a2dd"
   integrity sha512-AX3Zw5iPruN5ie6xGRIDgqkT+ZhnRlZMLMHAs8tg7nRruy2Nb+i5o9bwghAogtM08q1dpr2LVoS8KSTMYpWXUw==
@@ -9746,21 +9814,18 @@ yargs@13.3.2:
     y18n "^4.0.0"
     yargs-parser "^13.1.2"
 
-yargs@^13.3.0:
-  version "13.3.0"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-13.3.0.tgz#4c657a55e07e5f2cf947f8a366567c04a0dedc83"
-  integrity sha512-2eehun/8ALW8TLoIl7MVaRUrg+yCnenu8B4kBlRxj3GJGDKU1Og7sMXPNm1BYyM1DOJmTZ4YeN/Nwxv+8XJsUA==
+yargs@^16.1.1:
+  version "16.2.0"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-16.2.0.tgz#1c82bf0f6b6a66eafce7ef30e376f49a12477f66"
+  integrity sha512-D1mvvtDG0L5ft/jGWkLpG1+m0eQxOfaBvTNELraWj22wSVUMWxZUvYgJYcKh6jGGIkJFhH4IZPQhR4TKpc8mBw==
   dependencies:
-    cliui "^5.0.0"
-    find-up "^3.0.0"
-    get-caller-file "^2.0.1"
+    cliui "^7.0.2"
+    escalade "^3.1.1"
+    get-caller-file "^2.0.5"
     require-directory "^2.1.1"
-    require-main-filename "^2.0.0"
-    set-blocking "^2.0.0"
-    string-width "^3.0.0"
-    which-module "^2.0.0"
-    y18n "^4.0.0"
-    yargs-parser "^13.1.1"
+    string-width "^4.2.0"
+    y18n "^5.0.5"
+    yargs-parser "^20.2.2"
 
 yargs@^3.19.0:
   version "3.32.0"