diff --git a/package.json b/package.json
index 17c958f..8dff56f 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "dotenv": "4.0.0",
     "nodemon": "1.18.9",
     "npm-run-all": "4.1.5",
-    "ts-node": "4.1.0",
+    "ts-node": "8.1.1",
     "typescript": "2.9.2"
   },
   "dependencies": {
diff --git a/yarn.lock b/yarn.lock
index 8bc01ff..521bb0d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -68,14 +68,6 @@
     "@types/express-serve-static-core" "*"
     "@types/mime" "*"
 
-"@types/strip-bom@^3.0.0":
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/@types/strip-bom/-/strip-bom-3.0.0.tgz#14a8ec3956c2e81edb7520790aecf21c290aebd2"
-
-"@types/strip-json-comments@0.0.30":
-  version "0.0.30"
-  resolved "https://registry.yarnpkg.com/@types/strip-json-comments/-/strip-json-comments-0.0.30.tgz#9aa30c04db212a9a0649d6ae6fd50accc40748a1"
-
 "@types/zen-observable@^0.5.3":
   version "0.5.3"
   resolved "https://registry.yarnpkg.com/@types/zen-observable/-/zen-observable-0.5.3.tgz#91b728599544efbb7386d8b6633693a3c2e7ade5"
@@ -200,6 +192,11 @@ are-we-there-yet@~1.1.2:
     delegates "^1.0.0"
     readable-stream "^2.0.6"
 
+arg@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/arg/-/arg-4.1.0.tgz#583c518199419e0037abb74062c37f8519e575f0"
+  integrity sha512-ZWc51jO3qegGkVh8Hwpv636EkbesNV5ZNQPCtRa+0qytRYPEs9IYT9qITY9buezqUH5uqyzlWLcufrzU2rffdg==
+
 arr-diff@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/arr-diff/-/arr-diff-4.0.0.tgz#d6461074febfec71e7e15235761a329a5dc7c520"
@@ -232,10 +229,6 @@ array-unique@^0.3.2:
   version "0.3.2"
   resolved "https://registry.yarnpkg.com/array-unique/-/array-unique-0.3.2.tgz#a894b75d4bc4f6cd679ef3244a9fd8f46ae2d428"
 
-arrify@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/arrify/-/arrify-1.0.1.tgz#898508da2226f380df904728456849c1501a4b0d"
-
 assert@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/assert/-/assert-1.4.1.tgz#99912d591836b5a6f5b345c0f07eefc08fc65d91"
@@ -387,6 +380,11 @@ buffer-equal-constant-time@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz#f8e71132f7ffe6e01a5c9697a4c6f3e48d5cc819"
 
+buffer-from@^1.0.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
+  integrity sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==
+
 buffer@4.9.1:
   version "4.9.1"
   resolved "http://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz#6d1bb601b07a4efced97094132093027c95bc298"
@@ -432,7 +430,7 @@ capture-stack-trace@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/capture-stack-trace/-/capture-stack-trace-1.0.0.tgz#4a6fa07399c26bba47f0b2496b4d0fb408c5550d"
 
-chalk@^2.0.1, chalk@^2.3.0:
+chalk@^2.0.1:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.3.0.tgz#b5ea48efc9c1793dccc9b4767c93914d3f2d52ba"
   dependencies:
@@ -691,9 +689,10 @@ dicer@0.2.5:
     readable-stream "1.1.x"
     streamsearch "0.1.2"
 
-diff@^3.1.0:
-  version "3.4.0"
-  resolved "https://registry.yarnpkg.com/diff/-/diff-3.4.0.tgz#b1d85507daf3964828de54b37d0d73ba67dda56c"
+diff@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.1.tgz#0c667cb467ebbb5cea7f14f135cc2dba7780a8ff"
+  integrity sha512-s2+XdvhPCOF01LRQBC8hf4vhbVmI2CGS5aZnxLJlT5FtdhPCDFq80q++zK2KlrVorVDdL5BOGZ/VfLrVtYNF+Q==
 
 dot-prop@^4.1.0:
   version "4.2.0"
@@ -1159,12 +1158,6 @@ has@^1.0.1:
   dependencies:
     function-bind "^1.0.2"
 
-homedir-polyfill@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/homedir-polyfill/-/homedir-polyfill-1.0.1.tgz#4c2bbc8a758998feebf5ed68580f76d46768b4bc"
-  dependencies:
-    parse-passwd "^1.0.0"
-
 hosted-git-info@^2.1.4:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.5.0.tgz#6d60e34b3abbc8313062c3b798ef8d901a07af3c"
@@ -1957,10 +1950,6 @@ parse-json@^4.0.0:
     error-ex "^1.3.1"
     json-parse-better-errors "^1.0.1"
 
-parse-passwd@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/parse-passwd/-/parse-passwd-1.0.0.tgz#6d5b934a456993b23d37f40a382d6f1666a8e5c6"
-
 parseurl@~1.3.2:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.2.tgz#fc289d4ed8993119460c156253262cdc8de65bf3"
@@ -2344,6 +2333,14 @@ source-map-support@^0.5.0:
   dependencies:
     source-map "^0.6.0"
 
+source-map-support@^0.5.6:
+  version "0.5.12"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.12.tgz#b4f3b10d51857a5af0138d3ce8003b201613d599"
+  integrity sha512-4h2Pbvyy15EE02G+JOZpUCmqWJuqrs+sEkzewTm++BPi7Hvn/HwcqLAcNxYAyI0x13CpPPn+kMjl+hplXMHITQ==
+  dependencies:
+    buffer-from "^1.0.0"
+    source-map "^0.6.0"
+
 source-map-url@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/source-map-url/-/source-map-url-0.4.0.tgz#3e935d7ddd73631b97659956d55128e87b5084a3"
@@ -2448,7 +2445,7 @@ strip-eof@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/strip-eof/-/strip-eof-1.0.0.tgz#bb43ff5598a6eb05d89b59fcd129c983313606bf"
 
-strip-json-comments@^2.0.0, strip-json-comments@~2.0.1:
+strip-json-comments@~2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-2.0.1.tgz#3c531942e908c2697c0ec344858c286c7ca0a60a"
 
@@ -2531,29 +2528,16 @@ touch@^3.1.0:
   dependencies:
     nopt "~1.0.10"
 
-ts-node@4.1.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/ts-node/-/ts-node-4.1.0.tgz#36d9529c7b90bb993306c408cd07f7743de20712"
+ts-node@8.1.1:
+  version "8.1.1"
+  resolved "https://registry.yarnpkg.com/ts-node/-/ts-node-8.1.1.tgz#2b9621934a0471f0e13c1b75be54ee0f46c31479"
+  integrity sha512-nd+mdxDP2BjQlyumBCMSU3IQLEjSla1X3uSzDfQ4M5OEZ3iDC01gjhs0FX29jyolATwLKB7YoRJ1Asbxd9EEoA==
   dependencies:
-    arrify "^1.0.0"
-    chalk "^2.3.0"
-    diff "^3.1.0"
+    arg "^4.1.0"
+    diff "^4.0.1"
     make-error "^1.1.1"
-    minimist "^1.2.0"
-    mkdirp "^0.5.1"
-    source-map-support "^0.5.0"
-    tsconfig "^7.0.0"
-    v8flags "^3.0.0"
-    yn "^2.0.0"
-
-tsconfig@^7.0.0:
-  version "7.0.0"
-  resolved "https://registry.yarnpkg.com/tsconfig/-/tsconfig-7.0.0.tgz#84538875a4dc216e5c4a5432b3a4dec3d54e91b7"
-  dependencies:
-    "@types/strip-bom" "^3.0.0"
-    "@types/strip-json-comments" "0.0.30"
-    strip-bom "^3.0.0"
-    strip-json-comments "^2.0.0"
+    source-map-support "^0.5.6"
+    yn "^3.0.0"
 
 type-is@~1.6.15:
   version "1.6.15"
@@ -2671,12 +2655,6 @@ uuid@3.1.0, uuid@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.1.0.tgz#3dd3d3e790abc24d7b0d3a034ffababe28ebbc04"
 
-v8flags@^3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/v8flags/-/v8flags-3.0.1.tgz#dce8fc379c17d9f2c9e9ed78d89ce00052b1b76b"
-  dependencies:
-    homedir-polyfill "^1.0.1"
-
 validate-npm-package-license@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.1.tgz#2804babe712ad3379459acfbe24746ab2c303fbc"
@@ -2747,9 +2725,10 @@ yallist@^3.0.0, yallist@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.0.2.tgz#8452b4bb7e83c7c188d8041c1a837c773d6d8bb9"
 
-yn@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/yn/-/yn-2.0.0.tgz#e5adabc8acf408f6385fc76495684c88e6af689a"
+yn@^3.0.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/yn/-/yn-3.1.0.tgz#fcbe2db63610361afcc5eb9e0ac91e976d046114"
+  integrity sha512-kKfnnYkbTfrAdd0xICNFw7Atm8nKpLcLv9AZGEt+kczL/WQVai4e2V6ZN8U/O+iI6WrNuJjNNOyu4zfhl9D3Hg==
 
 zen-observable-ts@^0.8.10:
   version "0.8.10"