diff --git a/package.json b/package.json
index bbc7a18..bed4534 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "@babel/plugin-transform-runtime": "^7.6.2",
     "@babel/preset-env": "^7.6.2",
     "@babel/register": "^7.6.2",
-    "ajv": "^6.10.0",
+    "ajv": "^6.10.2",
     "babel-eslint": "^10.0.3",
     "babel-loader": "^8.0.5",
     "babel-plugin-istanbul": "^5.2.0",
@@ -58,13 +58,13 @@
     "husky": "^3.0.7",
     "lerna": "^3.13.4",
     "lint-staged": "^9.4.0",
-    "mocha": "^6.1.4",
-    "mocha-loader": "^2.0.1",
+    "mocha": "^6.2.0",
+    "mocha-loader": "^3.0.0",
     "multi-entry-loader": "^1.1.2",
     "node-fetch": "^2.5.0",
     "nyc": "^14.1.0",
     "prettier": "^1.16.4",
-    "resolve": "^1.10.1",
+    "resolve": "^1.12.0",
     "rimraf": "^2.6.3",
     "web-annotation-tests": "https://github.com/w3c/web-annotation-tests",
     "webpack": "^4.41.0",
diff --git a/yarn.lock b/yarn.lock
index 2cd8eaf..49f5194 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2508,7 +2508,7 @@
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-4.1.0.tgz#d545635be1e33c542649c69173e5de6acfae34dd"
   integrity sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0=
 
-camelcase@^5.0.0, camelcase@^5.2.0:
+camelcase@^5.0.0, camelcase@^5.3.1:
   version "5.3.1"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-5.3.1.tgz#e3c9b31569e106811df242f715725a1f4c494320"
   integrity sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==
@@ -3115,22 +3115,23 @@
     randombytes "^2.0.0"
     randomfill "^1.0.3"
 
-css-loader@^2.1.0:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-2.1.1.tgz#d8254f72e412bb2238bb44dd674ffbef497333ea"
-  integrity sha512-OcKJU/lt232vl1P9EEDamhoO9iKY3tIjY5GU+XDLblAykTdgs6Ux9P1hTHve8nFKy5KPpOXOsVI/hIwi3841+w==
+css-loader@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-3.2.0.tgz#bb570d89c194f763627fcf1f80059c6832d009b2"
+  integrity sha512-QTF3Ud5H7DaZotgdcJjGMvyDj5F3Pn1j/sC6VBEOVp94cbwqyIBdcs/quzj4MC1BKQSrTpQznegH/5giYbhnCQ==
   dependencies:
-    camelcase "^5.2.0"
-    icss-utils "^4.1.0"
+    camelcase "^5.3.1"
+    cssesc "^3.0.0"
+    icss-utils "^4.1.1"
     loader-utils "^1.2.3"
     normalize-path "^3.0.0"
-    postcss "^7.0.14"
+    postcss "^7.0.17"
     postcss-modules-extract-imports "^2.0.0"
-    postcss-modules-local-by-default "^2.0.6"
+    postcss-modules-local-by-default "^3.0.2"
     postcss-modules-scope "^2.1.0"
-    postcss-modules-values "^2.0.0"
-    postcss-value-parser "^3.3.0"
-    schema-utils "^1.0.0"
+    postcss-modules-values "^3.0.0"
+    postcss-value-parser "^4.0.0"
+    schema-utils "^2.0.0"
 
 cssesc@^3.0.0:
   version "3.0.0"
@@ -4942,14 +4943,10 @@
   dependencies:
     safer-buffer ">= 2.1.2 < 3"
 
-icss-replace-symbols@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/icss-replace-symbols/-/icss-replace-symbols-1.1.0.tgz#06ea6f83679a7749e386cfe1fe812ae5db223ded"
-
-icss-utils@^4.1.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/icss-utils/-/icss-utils-4.1.0.tgz#339dbbffb9f8729a243b701e1c29d4cc58c52f0e"
-  integrity sha512-3DEun4VOeMvSczifM3F2cKQrDQ5Pj6WKhkOq6HD4QTnDUAq8MQRxy5TX6Sy1iY6WPBe4gQ3p5vTECjbIkglkkQ==
+icss-utils@^4.0.0, icss-utils@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/icss-utils/-/icss-utils-4.1.1.tgz#21170b53789ee27447c2f47dd683081403f9a467"
+  integrity sha512-4aFq7wvWyMHKgxsH8QQtGpvbASCf+eM3wPRLI6R+MgAnTCZ6STYsRvttLvRWK0Nfif5piF394St3HeJDaljGPA==
   dependencies:
     postcss "^7.0.14"
 
@@ -6344,20 +6341,21 @@
   dependencies:
     minimist "0.0.8"
 
-mocha-loader@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/mocha-loader/-/mocha-loader-2.0.1.tgz#1870fc4aea80e4df4e869b5c2e03e062d6fa7d1a"
-  integrity sha512-eFnF3GMu96P9eb1uO2SQ8f4QNGZz/7qtmqiRwOQ0iUv/MNEjIjFFNwXFrMv11Hp6B8w7HHIHxBEjko8eeBaJ+A==
+mocha-loader@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/mocha-loader/-/mocha-loader-3.0.0.tgz#55a9c8d9499c498d43e2c175de6498795ae6cf5d"
+  integrity sha512-EC8Iqk7RfJvTFEv4KV+TyOrijkCYmo1uWKJJCGOGtR+Si9+cVdd6BKaUI0N6FSlULBxDGI0vCpjmlzGA9ewz3Q==
   dependencies:
-    css-loader "^2.1.0"
+    css-loader "^3.2.0"
     loader-utils "^1.2.3"
+    schema-utils "^2.1.0"
     script-loader "^0.7.2"
-    style-loader "^0.23.1"
+    style-loader "^1.0.0"
 
-mocha@^6.1.4:
-  version "6.1.4"
-  resolved "https://registry.yarnpkg.com/mocha/-/mocha-6.1.4.tgz#e35fada242d5434a7e163d555c705f6875951640"
-  integrity sha512-PN8CIy4RXsIoxoFJzS4QNnCH4psUCPWc4/rPrst/ecSJJbLBkubMiyGCP2Kj/9YnWbotFqAoeXyXMucj7gwCFg==
+mocha@^6.2.0:
+  version "6.2.0"
+  resolved "https://registry.yarnpkg.com/mocha/-/mocha-6.2.0.tgz#f896b642843445d1bb8bca60eabd9206b8916e56"
+  integrity sha512-qwfFgY+7EKAAUAdv7VYMZQknI7YJSGesxHyhn6qD52DV8UcSZs5XwCifcZGMVIE4a5fbmhvbotxC0DLQ0oKohQ==
   dependencies:
     ansi-colors "3.2.3"
     browser-stdout "1.3.1"
@@ -7428,14 +7426,15 @@
   dependencies:
     postcss "^7.0.5"
 
-postcss-modules-local-by-default@^2.0.6:
-  version "2.0.6"
-  resolved "https://registry.yarnpkg.com/postcss-modules-local-by-default/-/postcss-modules-local-by-default-2.0.6.tgz#dd9953f6dd476b5fd1ef2d8830c8929760b56e63"
-  integrity sha512-oLUV5YNkeIBa0yQl7EYnxMgy4N6noxmiwZStaEJUSe2xPMcdNc8WmBQuQCx18H5psYbVxz8zoHk0RAAYZXP9gA==
+postcss-modules-local-by-default@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-modules-local-by-default/-/postcss-modules-local-by-default-3.0.2.tgz#e8a6561be914aaf3c052876377524ca90dbb7915"
+  integrity sha512-jM/V8eqM4oJ/22j0gx4jrp63GSvDH6v86OqyTHHUvk4/k1vceipZsaymiZ5PvocqZOl5SFHiFJqjs3la0wnfIQ==
   dependencies:
-    postcss "^7.0.6"
-    postcss-selector-parser "^6.0.0"
-    postcss-value-parser "^3.3.1"
+    icss-utils "^4.1.1"
+    postcss "^7.0.16"
+    postcss-selector-parser "^6.0.2"
+    postcss-value-parser "^4.0.0"
 
 postcss-modules-scope@^2.1.0:
   version "2.1.0"
@@ -7445,15 +7444,15 @@
     postcss "^7.0.6"
     postcss-selector-parser "^6.0.0"
 
-postcss-modules-values@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/postcss-modules-values/-/postcss-modules-values-2.0.0.tgz#479b46dc0c5ca3dc7fa5270851836b9ec7152f64"
-  integrity sha512-Ki7JZa7ff1N3EIMlPnGTZfUMe69FFwiQPnVSXC9mnn3jozCRBYIxiZd44yJOV2AmabOo4qFf8s0dC/+lweG7+w==
+postcss-modules-values@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-modules-values/-/postcss-modules-values-3.0.0.tgz#5b5000d6ebae29b4255301b4a3a54574423e7f10"
+  integrity sha512-1//E5jCBrZ9DmRX+zCtmQtRSV6PV42Ix7Bzj9GbwJceduuf7IqP8MgeTXuRDHOWj2m0VzZD5+roFWDuU8RQjcg==
   dependencies:
-    icss-replace-symbols "^1.1.0"
+    icss-utils "^4.0.0"
     postcss "^7.0.6"
 
-postcss-selector-parser@^6.0.0:
+postcss-selector-parser@^6.0.0, postcss-selector-parser@^6.0.2:
   version "6.0.2"
   resolved "https://registry.yarnpkg.com/postcss-selector-parser/-/postcss-selector-parser-6.0.2.tgz#934cf799d016c83411859e09dcecade01286ec5c"
   integrity sha512-36P2QR59jDTOAiIkqEprfJDsoNrvwFei3eCqKd1Y0tUsBimsq39BLp7RD+JWny3WgB1zGhJX8XVePwm9k4wdBg==
@@ -7462,14 +7461,10 @@
     indexes-of "^1.0.1"
     uniq "^1.0.1"
 
-postcss-value-parser@^3.3.0:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-3.3.0.tgz#87f38f9f18f774a4ab4c8a232f5c5ce8872a9d15"
-
-postcss-value-parser@^3.3.1:
-  version "3.3.1"
-  resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-3.3.1.tgz#9ff822547e2893213cf1c30efa51ac5fd1ba8281"
-  integrity sha512-pISE66AbVkp4fDQ7VHBwRNXzAAKJjw4Vw7nWI/+Q3vuly7SNfgYXvm6i5IgFylHGK5sP/xHAbB7N49OS4gWNyQ==
+postcss-value-parser@^4.0.0:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.0.2.tgz#482282c09a42706d1fc9a069b73f44ec08391dc9"
+  integrity sha512-LmeoohTpp/K4UiyQCwuGWlONxXamGzCMtFxLq4W1nZVGIQLYvMCJx3yAF9qyyuFpflABI9yVdtJAqbihOsCsJQ==
 
 postcss@^7.0.14, postcss@^7.0.5, postcss@^7.0.6:
   version "7.0.16"
@@ -7480,6 +7475,15 @@
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
+postcss@^7.0.16, postcss@^7.0.17:
+  version "7.0.18"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.18.tgz#4b9cda95ae6c069c67a4d933029eddd4838ac233"
+  integrity sha512-/7g1QXXgegpF+9GJj4iN7ChGF40sYuGYJ8WZu8DZWnmhQ/G36hfdk3q9LBJmoK+lZ+yzZ5KYpOoxq7LF1BxE8g==
+  dependencies:
+    chalk "^2.4.2"
+    source-map "^0.6.1"
+    supports-color "^6.1.0"
+
 prelude-ls@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
@@ -8188,6 +8192,14 @@
     ajv-errors "^1.0.0"
     ajv-keywords "^3.1.0"
 
+schema-utils@^2.0.0, schema-utils@^2.0.1, schema-utils@^2.1.0:
+  version "2.4.1"
+  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-2.4.1.tgz#e89ade5d056dc8bcaca377574bb4a9c4e1b8be56"
+  integrity sha512-RqYLpkPZX5Oc3fw/kHHHyP56fg5Y+XBpIpV8nCg0znIALfq3OH+Ea9Hfeac9BAMwG5IICltiZ0vxFvJQONfA5w==
+  dependencies:
+    ajv "^6.10.2"
+    ajv-keywords "^3.4.1"
+
 script-loader@^0.7.2:
   version "0.7.2"
   resolved "https://registry.yarnpkg.com/script-loader/-/script-loader-0.7.2.tgz#2016db6f86f25f5cf56da38915d83378bb166ba7"
@@ -8806,13 +8818,13 @@
     minimist "^1.2.0"
     through "^2.3.4"
 
-style-loader@^0.23.1:
-  version "0.23.1"
-  resolved "https://registry.yarnpkg.com/style-loader/-/style-loader-0.23.1.tgz#cb9154606f3e771ab6c4ab637026a1049174d925"
-  integrity sha512-XK+uv9kWwhZMZ1y7mysB+zoihsEj4wneFWAS5qoiLwzW0WzSqMrrsIy+a3zkQJq0ipFtBpX5W3MqyRIBF/WFGg==
+style-loader@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/style-loader/-/style-loader-1.0.0.tgz#1d5296f9165e8e2c85d24eee0b7caf9ec8ca1f82"
+  integrity sha512-B0dOCFwv7/eY31a5PCieNwMgMhVGFe9w+rh7s/Bx8kfFkrth9zfTZquoYvdw8URgiqxObQKcpW51Ugz1HjfdZw==
   dependencies:
-    loader-utils "^1.1.0"
-    schema-utils "^1.0.0"
+    loader-utils "^1.2.3"
+    schema-utils "^2.0.1"
 
 supports-color@6.0.0:
   version "6.0.0"
@@ -9208,6 +9220,7 @@
 uri-js@^4.2.2:
   version "4.2.2"
   resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.2.2.tgz#94c540e1ff772956e2299507c010aea6c8838eb0"
+  integrity sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==
   dependencies:
     punycode "^2.1.0"