diff --git a/package-lock.json b/package-lock.json
index 8a51ead..84b8182 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -538,13 +538,13 @@
       "dev": true
     },
     "coveralls": {
-      "version": "3.0.4",
-      "resolved": "https://registry.npmjs.org/coveralls/-/coveralls-3.0.4.tgz",
-      "integrity": "sha512-eyqUWA/7RT0JagiL0tThVhjbIjoiEUyWCjtUJoOPcWoeofP5WK/jb2OJYoBFrR6DvplR+AxOyuBqk4JHkk5ykA==",
+      "version": "3.0.6",
+      "resolved": "https://registry.npmjs.org/coveralls/-/coveralls-3.0.6.tgz",
+      "integrity": "sha512-Pgh4v3gCI4T/9VijVrm8Ym5v0OgjvGLKj3zTUwkvsCiwqae/p6VLzpsFNjQS2i6ewV7ef+DjFJ5TSKxYt/mCrA==",
       "dev": true,
       "requires": {
         "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",
@@ -4112,9 +4112,9 @@
       "dev": true
     },
     "psl": {
-      "version": "1.1.33",
-      "resolved": "https://registry.npmjs.org/psl/-/psl-1.1.33.tgz",
-      "integrity": "sha512-LTDP2uSrsc7XCb5lO7A8BI1qYxRe/8EqlRvMeEl6rsnYAqDOl8xHR+8lSAIVfrNaSAlTPTNOCgNjWcoUL3AZsw==",
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/psl/-/psl-1.3.0.tgz",
+      "integrity": "sha512-avHdspHO+9rQTLbv1RO+MPYeP/SzsCoxofjVnHanETfQhTJrmB0HlDoW+EiN/R+C0BZ+gERab9NY0lPN2TxNag==",
       "dev": true
     },
     "publish": {
diff --git a/package.json b/package.json
index da9c014..6d0fbd2 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
   "license": "MIT",
   "devDependencies": {
     "chai": "^4.1.1",
-    "coveralls": "^3.0.4",
+    "coveralls": "^3.0.6",
     "env-test": "^1.0.0",
     "eslint": "^5.16.0",
     "eslint-config-airbnb-base": "^13.1.0",