diff --git a/package.json b/package.json
index 2acd6630..310f3b6a 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "express": "^4.17.1",
     "express-ws": "^4.0.0",
     "glob": "^7.0.5",
-    "jsdom": "^16.2.2",
+    "jsdom": "^16.3.0",
     "mocha": "^8.0.1",
     "mustache": "^4.0.1",
     "node-pty": "^0.9.0",
diff --git a/yarn.lock b/yarn.lock
index 9dbacda7..1473a44b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3327,10 +3327,10 @@ jsbn@~0.1.0:
   resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
   integrity sha1-peZUwuWi3rXyAdls77yoDA7y9RM=
 
-jsdom@^16.2.2:
-  version "16.2.2"
-  resolved "https://registry.yarnpkg.com/jsdom/-/jsdom-16.2.2.tgz#76f2f7541646beb46a938f5dc476b88705bedf2b"
-  integrity sha512-pDFQbcYtKBHxRaP55zGXCJWgFHkDAYbKcsXEK/3Icu9nKYZkutUXfLBwbD+09XDutkYSHcgfQLZ0qvpAAm9mvg==
+jsdom@^16.3.0:
+  version "16.3.0"
+  resolved "https://registry.yarnpkg.com/jsdom/-/jsdom-16.3.0.tgz#75690b7dac36c67be49c336dcd7219bbbed0810c"
+  integrity sha512-zggeX5UuEknpdZzv15+MS1dPYG0J/TftiiNunOeNxSl3qr8Z6cIlQpN0IdJa44z9aFxZRIVqRncvEhQ7X5DtZg==
   dependencies:
     abab "^2.0.3"
     acorn "^7.1.1"
@@ -3352,7 +3352,7 @@ jsdom@^16.2.2:
     tough-cookie "^3.0.1"
     w3c-hr-time "^1.0.2"
     w3c-xmlserializer "^2.0.0"
-    webidl-conversions "^6.0.0"
+    webidl-conversions "^6.1.0"
     whatwg-encoding "^1.0.5"
     whatwg-mimetype "^2.3.0"
     whatwg-url "^8.0.0"
@@ -5699,10 +5699,10 @@ webidl-conversions@^5.0.0:
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-5.0.0.tgz#ae59c8a00b121543a2acc65c0434f57b0fc11aff"
   integrity sha512-VlZwKPCkYKxQgeSbH5EyngOmRp7Ww7I9rQLERETtf5ofd9pGeswWiOtogpEO850jziPRarreGxn5QIiTqpb2wA==
 
-webidl-conversions@^6.0.0:
-  version "6.0.0"
-  resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-6.0.0.tgz#ff41d921371f43e772dba311b146ab6c0ef0ead4"
-  integrity sha512-jTZAeJnc6D+yAOjygbJOs33kVQIk5H6fj9SFDOhIKjsf9HiAzL/c+tAJsc8ASWafvhNkH+wJZms47pmajkhatA==
+webidl-conversions@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-6.1.0.tgz#9111b4d7ea80acd40f5270d666621afa78b69514"
+  integrity sha512-qBIvFLGiBpLjfwmYAaHPXsn+ho5xZnGvyGvsarywGNc8VyQJUMHJ8OBKGGrPER0okBeMDaan4mNBlgBROxuI8w==
 
 webpack-cli@^3.3.12:
   version "3.3.12"