diff --git a/package.json b/package.json
index 3eadee4..4842cdd 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
   "devDependencies": {
     "app-module-path": "^2.2.0",
     "chai": "^4.2.0",
-    "coveralls": "^3.0.2",
+    "coveralls": "^3.0.5",
     "eslint": "^4.2.0",
     "istanbul": "^0.4.5",
     "mocha": "^5.2.0",
diff --git a/yarn.lock b/yarn.lock
index 2d7bf1f..b3d4363 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -276,16 +276,16 @@ core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
 
-coveralls@^3.0.2:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/coveralls/-/coveralls-3.0.2.tgz#f5a0bcd90ca4e64e088b710fa8dda640aea4884f"
+coveralls@^3.0.5:
+  version "3.0.5"
+  resolved "https://registry.yarnpkg.com/coveralls/-/coveralls-3.0.5.tgz#28d7274c6c9827aa85537eab82d66e7e62d0d527"
   dependencies:
     growl "~> 1.10.0"
-    js-yaml "^3.11.0"
+    js-yaml "^3.13.1"
     lcov-parse "^0.0.10"
     log-driver "^1.2.7"
     minimist "^1.2.0"
-    request "^2.85.0"
+    request "^2.86.0"
 
 cross-spawn@^5.1.0:
   version "5.1.0"
@@ -750,9 +750,9 @@ js-tokens@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
 
-js-yaml@3.x, js-yaml@^3.11.0, js-yaml@^3.9.1:
-  version "3.12.0"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.12.0.tgz#eaed656ec8344f10f527c6bfa1b6e2244de167d1"
+js-yaml@3.x, js-yaml@^3.13.1, js-yaml@^3.9.1:
+  version "3.13.1"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.13.1.tgz#aff151b30bfdfa8e49e05da22e7415e9dfa37847"
   dependencies:
     argparse "^1.0.7"
     esprima "^4.0.0"
@@ -1018,7 +1018,7 @@ regexpp@^1.0.1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/regexpp/-/regexpp-1.1.0.tgz#0e3516dd0b7904f413d2d4193dce4618c3a689ab"
 
-request@^2.85.0:
+request@^2.86.0:
   version "2.88.0"
   resolved "https://registry.yarnpkg.com/request/-/request-2.88.0.tgz#9c2fca4f7d35b592efe57c7f0a55e81052124fef"
   dependencies: