diff --git a/package-lock.json b/package-lock.json
index 8a51ead..f8e813e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -538,17 +538,16 @@
       "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": "3.0.9",
+      "resolved": "https://registry.npmjs.org/coveralls/-/coveralls-3.0.9.tgz",
+      "integrity": "sha512-nNBg3B1+4iDox5A5zqHKzUTiwl2ey4k2o0NEcVZYvl+GOSJdKBj4AJGKLv6h3SvWch7tABHePAQOSZWM9E2hMg==",
       "dev": true,
       "requires": {
-        "growl": "~> 1.10.0",
-        "js-yaml": "^3.11.0",
-        "lcov-parse": "^0.0.10",
+        "js-yaml": "^3.13.1",
+        "lcov-parse": "^1.0.0",
         "log-driver": "^1.2.7",
         "minimist": "^1.2.0",
-        "request": "^2.86.0"
+        "request": "^2.88.0"
       },
       "dependencies": {
         "minimist": {
@@ -1815,9 +1814,9 @@
       }
     },
     "lcov-parse": {
-      "version": "0.0.10",
-      "resolved": "https://registry.npmjs.org/lcov-parse/-/lcov-parse-0.0.10.tgz",
-      "integrity": "sha1-GwuP+ayceIklBYK3C3ExXZ2m2aM=",
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/lcov-parse/-/lcov-parse-1.0.0.tgz",
+      "integrity": "sha1-6w1GtUER68VhrLTECO+TY73I9+A=",
       "dev": true
     },
     "levn": {
@@ -4112,9 +4111,9 @@
       "dev": true
     },
     "psl": {
-      "version": "1.1.33",
-      "resolved": "https://registry.npmjs.org/psl/-/psl-1.1.33.tgz",
-      "integrity": "sha512-LTDP2uSrsc7XCb5lO7A8BI1qYxRe/8EqlRvMeEl6rsnYAqDOl8xHR+8lSAIVfrNaSAlTPTNOCgNjWcoUL3AZsw==",
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/psl/-/psl-1.4.0.tgz",
+      "integrity": "sha512-HZzqCGPecFLyoRj5HLfuDSKYTJkAfB5thKBIkRHtGjWwY7p1dAyveIbXIq4tO0KYfDF2tHqPUgY9SDnGm00uFw==",
       "dev": true
     },
     "publish": {
diff --git a/package.json b/package.json
index da9c014..72c4348 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
   "license": "MIT",
   "devDependencies": {
     "chai": "^4.1.1",
-    "coveralls": "^3.0.4",
+    "coveralls": "^3.0.9",
     "env-test": "^1.0.0",
     "eslint": "^5.16.0",
     "eslint-config-airbnb-base": "^13.1.0",