diff --git a/package-lock.json b/package-lock.json
index 1236c4e7..27037bb1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2,6 +2,12 @@
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@@ -35,6 +41,32 @@
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-      "integrity": "sha512-TZ6TTfI5NtZnuyy/Kecv+CnoROnyXn2DN97LontgQpCwsX2XyLYCC0ENhYkehSOwAp8rTQKc/NUIF7BkQ5rKLA==",
-      "dev": true,
-      "requires": {
-        "punycode": "^1.4.1"
-      }
-    },
     "trim-newlines": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/trim-newlines/-/trim-newlines-1.0.0.tgz",
@@ -9842,18 +9631,6 @@
       "integrity": "sha1-oVe6QC2iTpv5V/mqadUk7tQpAaY=",
       "dev": true
     },
-    "tunnel-agent": {
-      "version": "0.4.3",
-      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.4.3.tgz",
-      "integrity": "sha1-Y3PbdpCf5XDgjXNYM2Xtgop07us=",
-      "dev": true
-    },
-    "tweetnacl": {
-      "version": "0.14.5",
-      "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
-      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
-      "dev": true
-    },
     "type-is": {
       "version": "1.6.18",
       "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
@@ -10055,6 +9832,12 @@
       "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=",
       "dev": true
     },
+    "uuid": {
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
+      "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A==",
+      "dev": true
+    },
     "v8flags": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/v8flags/-/v8flags-2.1.1.tgz",
@@ -10080,25 +9863,6 @@
       "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=",
       "dev": true
     },
-    "verror": {
-      "version": "1.10.0",
-      "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
-      "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
-      "dev": true,
-      "requires": {
-        "assert-plus": "^1.0.0",
-        "core-util-is": "1.0.2",
-        "extsprintf": "^1.2.0"
-      },
-      "dependencies": {
-        "assert-plus": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
-          "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
-          "dev": true
-        }
-      }
-    },
     "vlq": {
       "version": "0.2.3",
       "resolved": "https://registry.npmjs.org/vlq/-/vlq-0.2.3.tgz",
diff --git a/package.json b/package.json
index a36027e0..ffe8e44f 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "babel-preset-es2015": "^6.24.1",
     "babel-preset-flow": "^6.23.0",
     "babel-preset-stage-0": "^6.24.1",
-    "codecov": "^2.3.0",
+    "codecov": "^3.6.5",
     "cross-env": "^5.0.5",
     "nyc": "^11.2.1",
     "prettier": "^1.7.0",