diff --git a/package.json b/package.json
index f31a8f3..2ec34a7 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "@esm-bundle/chai": "^4.3.4-fix.0",
     "@snowpack/web-test-runner-plugin": "^0.2.2",
     "@strictly-lang/snowpack-plugin": "^1.0.2",
-    "@web/test-runner": "^0.13.22",
+    "@web/test-runner": "^0.13.27",
     "snowpack": "^3.8.8"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 415f4c2..6ee8a9c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -599,20 +599,20 @@
     "@types/parse5" "^6.0.1"
     parse5 "^6.0.1"
 
-"@web/test-runner-chrome@^0.10.5":
-  version "0.10.5"
-  resolved "https://registry.yarnpkg.com/@web/test-runner-chrome/-/test-runner-chrome-0.10.5.tgz#66b4390a78149bfc5b696cba6b26deac665a1703"
-  integrity sha512-1dF7bEMe6Jb42z5VFreis4rafe0DLBq4PUjqkYbXlHCFbwnc3zWJFgU73ns8lIt9HCo/ADIWUFuPXrqmWoFBFQ==
+"@web/test-runner-chrome@^0.10.7":
+  version "0.10.7"
+  resolved "https://registry.yarnpkg.com/@web/test-runner-chrome/-/test-runner-chrome-0.10.7.tgz#2dc35da47aa8b98c59f9e229a70ea3f443303e0c"
+  integrity sha512-DKJVHhHh3e/b6/erfKOy0a4kGfZ47qMoQRgROxi9T4F9lavEY3E5/MQ7hapHFM2lBF4vDrm+EWjtBdOL8o42tw==
   dependencies:
     "@web/test-runner-core" "^0.10.20"
     "@web/test-runner-coverage-v8" "^0.4.8"
     chrome-launcher "^0.15.0"
-    puppeteer-core "^11.0.0"
+    puppeteer-core "^13.1.3"
 
-"@web/test-runner-commands@^0.5.10":
-  version "0.5.11"
-  resolved "https://registry.yarnpkg.com/@web/test-runner-commands/-/test-runner-commands-0.5.11.tgz#5f3305f46b2242e522b4661e37e6ee11f6fac93f"
-  integrity sha512-2b4XnqwiTG/ZeXMiqtoKUCa7pggrTNiq6vI2y8sIDVtqoZ4JpTs3NAdwrsKfop+JhdeE7lSQohyrT/HF5H7tqQ==
+"@web/test-runner-commands@^0.6.0":
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/@web/test-runner-commands/-/test-runner-commands-0.6.1.tgz#2df5d98430d4b61161bab778e0929dbc467610c0"
+  integrity sha512-P4aQqp0duumeGdGxQ8TwLnplkrXzpLqb47eSEEqBRS//C1H7s6VskaqEng+k0dbk+cSpEa4RuZGY/G5k8aTjTw==
   dependencies:
     "@web/test-runner-core" "^0.10.20"
     mkdirp "^1.0.4"
@@ -667,16 +667,16 @@
     "@types/mocha" "^8.2.0"
     "@web/test-runner-core" "^0.10.20"
 
-"@web/test-runner@^0.13.22":
-  version "0.13.22"
-  resolved "https://registry.yarnpkg.com/@web/test-runner/-/test-runner-0.13.22.tgz#28ed14c78efb1b92424bfa50069c90d68a3d7abd"
-  integrity sha512-s4P3X4z8RlxqbQgO4K7aPVZTlum9juuQ9ZIxvZlua+KMTG5J5Utr7Drey/tGcx+BwVFUAtQLr20IEWA+38d+fA==
+"@web/test-runner@^0.13.27":
+  version "0.13.27"
+  resolved "https://registry.yarnpkg.com/@web/test-runner/-/test-runner-0.13.27.tgz#6a099f9904b0cf51ef172bf79ffadbf6aad601c4"
+  integrity sha512-yVhXK9sPJE2VQs1/KPTIeQvUxh+02OZkn+tgcr0+W8ovvrFD4ucF2X26cpeOTuD+Y67ERUi/EopIze3aelw6sg==
   dependencies:
     "@web/browser-logs" "^0.2.2"
     "@web/config-loader" "^0.1.3"
     "@web/dev-server" "^0.1.24"
-    "@web/test-runner-chrome" "^0.10.5"
-    "@web/test-runner-commands" "^0.5.10"
+    "@web/test-runner-chrome" "^0.10.7"
+    "@web/test-runner-commands" "^0.6.0"
     "@web/test-runner-core" "^0.10.22"
     "@web/test-runner-mocha" "^0.7.5"
     camelcase "^6.2.0"
@@ -1471,10 +1471,10 @@ detect-port@^1.3.0:
     address "^1.0.1"
     debug "^2.6.0"
 
-devtools-protocol@0.0.901419:
-  version "0.0.901419"
-  resolved "https://registry.yarnpkg.com/devtools-protocol/-/devtools-protocol-0.0.901419.tgz#79b5459c48fe7e1c5563c02bd72f8fec3e0cebcd"
-  integrity sha512-4INMPwNm9XRpBukhNbF7OB6fNTTCaI8pzy/fXg0xQzAy5h3zL1P8xT3QazgKqBrb/hAYwIBizqDBZ7GtJE74QQ==
+devtools-protocol@0.0.948846:
+  version "0.0.948846"
+  resolved "https://registry.yarnpkg.com/devtools-protocol/-/devtools-protocol-0.0.948846.tgz#bff47e2d1dba060130fa40ed2e5f78b916ba285f"
+  integrity sha512-5fGyt9xmMqUl2VI7+rnUkKCiAQIpLns8sfQtTENy5L70ktbNw0Z3TFJ1JoFNYdx/jffz4YXU45VF75wKZD7sZQ==
 
 dezalgo@^1.0.0:
   version "1.0.3"
@@ -2832,10 +2832,10 @@ negotiator@0.6.2, negotiator@^0.6.2:
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
   integrity sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw==
 
-node-fetch@2.6.5:
-  version "2.6.5"
-  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.5.tgz#42735537d7f080a7e5f78b6c549b7146be1742fd"
-  integrity sha512-mmlIVHJEu5rnIxgEgez6b9GgWXbkZj5YZ7fx+2r94a2E+Uirsp6HsPTPlomfdHtpt/B0cdKviwkoaM6pyvUOpQ==
+node-fetch@2.6.7:
+  version "2.6.7"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.7.tgz#24de9fba827e3b4ae44dc8b20256a379160052ad"
+  integrity sha512-ZjMPFEfVx5j+y2yF35Kzx5sF7kDzxuDj6ziH4FFbOp87zKDZNx8yExJIb05OGF4Nlt9IHFIMBkRl41VdvcNdbQ==
   dependencies:
     whatwg-url "^5.0.0"
 
@@ -3348,16 +3348,16 @@ punycode@^2.1.0, punycode@^2.1.1:
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.1.1.tgz#b58b010ac40c22c5657616c8d2c2c02c7bf479ec"
   integrity sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==
 
-puppeteer-core@^11.0.0:
-  version "11.0.0"
-  resolved "https://registry.yarnpkg.com/puppeteer-core/-/puppeteer-core-11.0.0.tgz#d7aa19634948671fa35d14027fa45be807c340cb"
-  integrity sha512-hfQ39KNP0qKplQ86iaCNXHH9zpWlV01UFdggt2qffgWeCBF9KMavwP/k/iK/JidPPWfOnKZhDLSHZVSUr73DtA==
+puppeteer-core@^13.1.3:
+  version "13.1.3"
+  resolved "https://registry.yarnpkg.com/puppeteer-core/-/puppeteer-core-13.1.3.tgz#cecb9e2ffff77410e4aa6428a1a2185ef4c6c01c"
+  integrity sha512-96pzvVBzq5lUGt3L/QrIH3mxn3NfZylHeusNhq06xBAHPI0Upc0SC/9u7tXjL0oRnmcExeVRJivr1lj7Ah/yDQ==
   dependencies:
     debug "4.3.2"
-    devtools-protocol "0.0.901419"
+    devtools-protocol "0.0.948846"
     extract-zip "2.0.1"
     https-proxy-agent "5.0.0"
-    node-fetch "2.6.5"
+    node-fetch "2.6.7"
     pkg-dir "4.2.0"
     progress "2.0.3"
     proxy-from-env "1.1.0"