diff --git a/package.json b/package.json
index d9e7db0f..96650dec 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "semantic-release": "^8.0.3",
     "tap-nyc": "^1.0.2",
     "tape": "^4.8.0",
-    "ts-node": "^3.3.0",
+    "ts-node": "^4.0.0",
     "tslint": "^5.5.0",
     "tslint-config-airbnb": "^5.2.1",
     "typescript": "^2.4.2"
diff --git a/yarn.lock b/yarn.lock
index 41733db1..e896714d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -44,6 +44,50 @@
     lodash "^4.17.4"
     pify "^3.0.0"
 
+"@types/arrify@^1.0.1":
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/@types/arrify/-/arrify-1.0.2.tgz#4a6856b9bfd4713c781df95349c6b15db60d4de1"
+
+"@types/diff@^3.2.1":
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/@types/diff/-/diff-3.2.2.tgz#4d6f45537322a7a420d353a0939513c7e96d14a6"
+
+"@types/minimist@^1.2.0":
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/@types/minimist/-/minimist-1.2.0.tgz#69a23a3ad29caf0097f06eda59b361ee2f0639f6"
+
+"@types/mkdirp@^0.5.0":
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/@types/mkdirp/-/mkdirp-0.5.2.tgz#503aacfe5cc2703d5484326b1b27efa67a339c1f"
+  dependencies:
+    "@types/node" "*"
+
+"@types/node@*", "@types/node@^8.0.27":
+  version "8.0.57"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-8.0.57.tgz#e5d8b4dc112763e35cfc51988f4f38da3c486d99"
+
+"@types/source-map-support@^0.4.0":
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/@types/source-map-support/-/source-map-support-0.4.0.tgz#a62a1866614af68c888173c001481f242aaf148b"
+  dependencies:
+    "@types/node" "*"
+
+"@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/v8flags@github:types/npm-v8flags#de224ae1cd5fd7dbb4e7158a6cc7a29e5315930d":
+  version "2.0.0"
+  resolved "https://codeload.github.com/types/npm-v8flags/tar.gz/de224ae1cd5fd7dbb4e7158a6cc7a29e5315930d"
+
+"@types/yn@github:types/npm-yn#ca75f6c82940fae6a06fb41d2d37a6aa9b4ea8e9":
+  version "2.0.0"
+  resolved "https://codeload.github.com/types/npm-yn/tar.gz/ca75f6c82940fae6a06fb41d2d37a6aa9b4ea8e9"
+
 JSONStream@^1.0.4:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/JSONStream/-/JSONStream-1.3.1.tgz#707f761e01dae9e16f1bcf93703b78c70966579a"
@@ -402,9 +446,9 @@ chalk@^1.0.0, chalk@^1.1.0, chalk@^1.1.1:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
-chalk@^2.0.0:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.0.1.tgz#dbec49436d2ae15f536114e76d14656cdbc0f44d"
+chalk@^2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.3.0.tgz#b5ea48efc9c1793dccc9b4767c93914d3f2d52ba"
   dependencies:
     ansi-styles "^3.1.0"
     escape-string-regexp "^1.0.5"
@@ -2560,11 +2604,11 @@ sntp@1.x.x:
   dependencies:
     hoek "2.x.x"
 
-source-map-support@^0.4.0:
-  version "0.4.15"
-  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.4.15.tgz#03202df65c06d2bd8c7ec2362a193056fef8d3b1"
+source-map-support@^0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.0.tgz#2018a7ad2bdf8faf2691e5fddab26bed5a2bacab"
   dependencies:
-    source-map "^0.5.6"
+    source-map "^0.6.0"
 
 source-map@^0.4.4:
   version "0.4.4"
@@ -2576,6 +2620,10 @@ source-map@^0.5.0, source-map@^0.5.3, source-map@^0.5.6, source-map@~0.5.1:
   version "0.5.6"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.6.tgz#75ce38f52bf0733c5a7f0c118d81334a2bb5f412"
 
+source-map@^0.6.0:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
+
 spawn-wrap@^1.3.8:
   version "1.3.8"
   resolved "https://registry.yarnpkg.com/spawn-wrap/-/spawn-wrap-1.3.8.tgz#fa2a79b990cbb0bb0018dca6748d88367b19ec31"
@@ -2856,25 +2904,35 @@ trim@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/trim/-/trim-0.0.1.tgz#5858547f6b290757ee95cccc666fb50084c460dd"
 
-ts-node@^3.3.0:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/ts-node/-/ts-node-3.3.0.tgz#c13c6a3024e30be1180dd53038fc209289d4bf69"
-  dependencies:
+ts-node@4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/ts-node/-/ts-node-4.0.0.tgz#75f3f8cffbbc00c2d793c2d1686173f78fcbcd8f"
+  dependencies:
+    "@types/arrify" "^1.0.1"
+    "@types/diff" "^3.2.1"
+    "@types/minimist" "^1.2.0"
+    "@types/mkdirp" "^0.5.0"
+    "@types/node" "^8.0.27"
+    "@types/source-map-support" "^0.4.0"
+    "@types/v8flags" types/npm-v8flags#de224ae1cd5fd7dbb4e7158a6cc7a29e5315930d
+    "@types/yn" types/npm-yn#ca75f6c82940fae6a06fb41d2d37a6aa9b4ea8e9
     arrify "^1.0.0"
-    chalk "^2.0.0"
+    chalk "^2.3.0"
     diff "^3.1.0"
     make-error "^1.1.1"
     minimist "^1.2.0"
     mkdirp "^0.5.1"
-    source-map-support "^0.4.0"
-    tsconfig "^6.0.0"
+    source-map-support "^0.5.0"
+    tsconfig "^7.0.0"
     v8flags "^3.0.0"
     yn "^2.0.0"
 
-tsconfig@^6.0.0:
-  version "6.0.0"
-  resolved "https://registry.yarnpkg.com/tsconfig/-/tsconfig-6.0.0.tgz#6b0e8376003d7af1864f8df8f89dd0059ffcd032"
+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"