diff --git a/package-lock.json b/package-lock.json
index 0806cca..e5fc27e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -960,6 +960,12 @@
         "tslib": "~1.9.3"
       }
     },
+    "@tootallnate/once": {
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+      "resolved": "https://registry.npmjs.org/@tootallnate/once/-/once-1.1.2.tgz",
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+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/@types/babel-types/-/babel-types-7.0.10.tgz",
@@ -1868,7 +1874,7 @@
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-      "integrity": "sha1-7L0W+JSbFXGDcRsb2jNPN4QBhas=",
+      "integrity": "sha512-dEamhpPEwRUBpLNHeuCm/v+g0anFByHahxodVO/BbAarHVBBg2MccCwf9K+o1Pof+2btdnkJelYVUWjW/VrATw==",
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@@ -3280,15 +3286,16 @@
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     },
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-      "version": "3.0.4",
-      "resolved": "https://registry.npmjs.org/codecov/-/codecov-3.0.4.tgz",
-      "integrity": "sha512-KJyzHdg9B8U9LxXa7hS6jnEW5b1cNckLYc2YpnJ1nEFiOW+/iSzDHp+5MYEIQd9fN3/tC6WmGZmYiwxzkuGp/A==",
+      "version": "3.8.3",
+      "resolved": "https://registry.npmjs.org/codecov/-/codecov-3.8.3.tgz",
+      "integrity": "sha512-Y8Hw+V3HgR7V71xWH2vQ9lyS358CbGCldWlJFR0JirqoGtOoas3R3/OclRTvgUYFK29mmJICDPauVKmpqbwhOA==",
       "dev": true,
       "requires": {
-        "argv": "^0.0.2",
-        "ignore-walk": "^3.0.1",
-        "request": "^2.87.0",
-        "urlgrey": "^0.4.4"
+        "argv": "0.0.2",
+        "ignore-walk": "3.0.4",
+        "js-yaml": "3.14.1",
+        "teeny-request": "7.1.1",
+        "urlgrey": "1.0.0"
       }
     },
     "collection-visit": {
@@ -14728,6 +14735,15 @@
         "stream-shift": "^1.0.0"
       }
     },
+    "stream-events": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/stream-events/-/stream-events-1.0.5.tgz",
+      "integrity": "sha512-E1GUzBSgvct8Jsb3v2X15pjzN1tYebtbLaMg+eBOUOAxgbLoSbT2NS91ckc5lJD1KfLjId+jXJRgo0qnV5Nerg==",
+      "dev": true,
+      "requires": {
+        "stubs": "^3.0.0"
+      }
+    },
     "stream-http": {
       "version": "2.8.3",
       "resolved": "https://registry.npmjs.org/stream-http/-/stream-http-2.8.3.tgz",
@@ -14910,6 +14926,12 @@
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       "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo="
     },
+    "stubs": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/stubs/-/stubs-3.0.0.tgz",
+      "integrity": "sha512-PdHt7hHUJKxvTCgbKX9C1V/ftOcjJQgz8BZwNfV5c4B6dcGqlpelTbJ999jBGZ2jYiPAwcX5dP6oBwVlBlUbxw==",
+      "dev": true
+    },
     "stylehacks": {
       "version": "4.0.3",
       "resolved": "https://registry.npmjs.org/stylehacks/-/stylehacks-4.0.3.tgz",
@@ -15016,6 +15038,88 @@
         "xtend": "^4.0.0"
       }
     },
+    "teeny-request": {
+      "version": "7.1.1",
+      "resolved": "https://registry.npmjs.org/teeny-request/-/teeny-request-7.1.1.tgz",
+      "integrity": "sha512-iwY6rkW5DDGq8hE2YgNQlKbptYpY5Nn2xecjQiNjOXWbKzPGUfmeUBCSQbbr306d7Z7U2N0TPl+/SwYRfua1Dg==",
+      "dev": true,
+      "requires": {
+        "http-proxy-agent": "^4.0.0",
+        "https-proxy-agent": "^5.0.0",
+        "node-fetch": "^2.6.1",
+        "stream-events": "^1.0.5",
+        "uuid": "^8.0.0"
+      },
+      "dependencies": {
+        "agent-base": {
+          "version": "6.0.2",
+          "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-6.0.2.tgz",
+          "integrity": "sha512-RZNwNclF7+MS/8bDg70amg32dyeZGZxiDuQmZxKLAlQjr3jGyLx+4Kkk58UO7D2QdgFIQCovuSuZESne6RG6XQ==",
+          "dev": true,
+          "requires": {
+            "debug": "4"
+          }
+        },
+        "http-proxy-agent": {
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/http-proxy-agent/-/http-proxy-agent-4.0.1.tgz",
+          "integrity": "sha512-k0zdNgqWTGA6aeIRVpvfVob4fL52dTfaehylg0Y4UvSySvOq/Y+BOyPrgpUrA7HylqvU8vIZGsRuXmspskV0Tg==",
+          "dev": true,
+          "requires": {
+            "@tootallnate/once": "1",
+            "agent-base": "6",
+            "debug": "4"
+          }
+        },
+        "https-proxy-agent": {
+          "version": "5.0.1",
+          "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-5.0.1.tgz",
+          "integrity": "sha512-dFcAjpTQFgoLMzC2VwU+C/CbS7uRL0lWmxDITmqm7C+7F0Odmj6s9l6alZc6AELXhrnggM2CeWSXHGOdX2YtwA==",
+          "dev": true,
+          "requires": {
+            "agent-base": "6",
+            "debug": "4"
+          }
+        },
+        "node-fetch": {
+          "version": "2.6.7",
+          "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.7.tgz",
+          "integrity": "sha512-ZjMPFEfVx5j+y2yF35Kzx5sF7kDzxuDj6ziH4FFbOp87zKDZNx8yExJIb05OGF4Nlt9IHFIMBkRl41VdvcNdbQ==",
+          "dev": true,
+          "requires": {
+            "whatwg-url": "^5.0.0"
+          }
+        },
+        "tr46": {
+          "version": "0.0.3",
+          "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
+          "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==",
+          "dev": true
+        },
+        "uuid": {
+          "version": "8.3.2",
+          "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+          "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==",
+          "dev": true
+        },
+        "webidl-conversions": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
+          "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==",
+          "dev": true
+        },
+        "whatwg-url": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
+          "integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
+          "dev": true,
+          "requires": {
+            "tr46": "~0.0.3",
+            "webidl-conversions": "^3.0.0"
+          }
+        }
+      }
+    },
     "term-size": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/term-size/-/term-size-1.2.0.tgz",
@@ -16100,10 +16204,13 @@
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     "urlgrey": {
-      "version": "0.4.4",
-      "resolved": "https://registry.npmjs.org/urlgrey/-/urlgrey-0.4.4.tgz",
-      "integrity": "sha1-iS/pWWCAXoVRnxzUOJ8stMu3ZS8=",
-      "dev": true
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/urlgrey/-/urlgrey-1.0.0.tgz",
+      "integrity": "sha512-hJfIzMPJmI9IlLkby8QrsCykQ+SXDeO2W5Q9QTW3QpqZVTx4a/K7p8/5q+/isD8vsbVaFgql/gvAoQCRQ2Cb5w==",
+      "dev": true,
+      "requires": {
+        "fast-url-parser": "^1.1.3"
+      }
     },
     "use": {
       "version": "3.1.1",
diff --git a/package.json b/package.json
index 2efe0bb..dfa3618 100644
--- a/package.json
+++ b/package.json
@@ -79,7 +79,7 @@
     "@types/webpack-chunk-hash": "0.4.2",
     "@types/yargs": "10.0.0",
     "ajv": "6.7.0",
-    "codecov": "~3.0.4",
+    "codecov": "~3.8.3",
     "cpx": "~1.5.0",
     "cypress": "3.1.3",
     "execa": "0.8.0",