diff --git a/package.json b/package.json
index 31b7628..24a9394 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "husky": "0.14.3",
     "jest": "^22.0.3",
     "lint-staged": "6.0.0",
-    "nyc": "^11.3.0",
+    "nyc": "^11.4.1",
     "prettier": "1.9.2"
   },
   "nyc": {
diff --git a/yarn.lock b/yarn.lock
index 70c9ea9..95b1301 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2190,9 +2190,9 @@ nwmatcher@^1.4.3:
   version "1.4.3"
   resolved "https://registry.yarnpkg.com/nwmatcher/-/nwmatcher-1.4.3.tgz#64348e3b3d80f035b40ac11563d278f8b72db89c"
 
-nyc@^11.3.0:
-  version "11.3.0"
-  resolved "https://registry.yarnpkg.com/nyc/-/nyc-11.3.0.tgz#a42bc17b3cfa41f7b15eb602bc98b2633ddd76f0"
+nyc@^11.4.1:
+  version "11.4.1"
+  resolved "https://registry.yarnpkg.com/nyc/-/nyc-11.4.1.tgz#13fdf7e7ef22d027c61d174758f6978a68f4f5e5"
   dependencies:
     archy "^1.0.0"
     arrify "^1.0.1"
@@ -2217,7 +2217,7 @@ nyc@^11.3.0:
     resolve-from "^2.0.0"
     rimraf "^2.5.4"
     signal-exit "^3.0.1"
-    spawn-wrap "=1.3.8"
+    spawn-wrap "^1.4.2"
     test-exclude "^4.1.1"
     yargs "^10.0.3"
     yargs-parser "^8.0.0"
@@ -2684,7 +2684,7 @@ right-align@^0.1.1:
   dependencies:
     align-text "^0.1.1"
 
-rimraf@2, rimraf@^2.3.3, rimraf@^2.5.1, rimraf@^2.5.4, rimraf@^2.6.1:
+rimraf@2, rimraf@^2.5.1, rimraf@^2.5.4, rimraf@^2.6.1, rimraf@^2.6.2:
   version "2.6.2"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.2.tgz#2ed8150d24a16ea8651e6d6ef0f47c4158ce7a36"
   dependencies:
@@ -2794,16 +2794,16 @@ 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"
+spawn-wrap@^1.4.2:
+  version "1.4.2"
+  resolved "https://registry.yarnpkg.com/spawn-wrap/-/spawn-wrap-1.4.2.tgz#cff58e73a8224617b6561abdc32586ea0c82248c"
   dependencies:
     foreground-child "^1.5.6"
     mkdirp "^0.5.0"
     os-homedir "^1.0.1"
-    rimraf "^2.3.3"
+    rimraf "^2.6.2"
     signal-exit "^3.0.2"
-    which "^1.2.4"
+    which "^1.3.0"
 
 spdx-correct@~1.0.0:
   version "1.0.2"
@@ -3125,7 +3125,7 @@ which-module@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
 
-which@^1.2.10, which@^1.2.12, which@^1.2.4, which@^1.2.9:
+which@^1.2.10, which@^1.2.12, which@^1.2.9, which@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/which/-/which-1.3.0.tgz#ff04bdfc010ee547d780bec38e1ac1c2777d253a"
   dependencies: