diff --git a/package.json b/package.json
index 04f5f32381..236b268d73 100644
--- a/package.json
+++ b/package.json
@@ -108,7 +108,7 @@
     "lint-staged": "^12.4.1",
     "lodash": "^4.17.21",
     "minimatch": "^7.4.1",
-    "playwright": "~1.49.0",
+    "playwright": "~1.55.1",
     "prettier": "^3.3.3",
     "prettier-2": "npm:prettier@^2.8.8",
     "prettier-plugin-packagejson": "^2.5.8",
diff --git a/packages/snaps-sandbox/package.json b/packages/snaps-sandbox/package.json
index 4d5b389528..a44966e70d 100644
--- a/packages/snaps-sandbox/package.json
+++ b/packages/snaps-sandbox/package.json
@@ -58,7 +58,7 @@
     "depcheck": "^1.4.7",
     "eslint": "^9.11.0",
     "fast-deep-equal": "^3.1.3",
-    "happy-dom": "^17.4.4",
+    "happy-dom": "^20.0.10",
     "jotai": "^2.12.2",
     "monaco-editor": "patch:monaco-editor@npm%3A0.52.2#~/.yarn/patches/monaco-editor-npm-0.52.2-584d16bfa6.patch",
     "nanoid": "^3.3.10",
diff --git a/yarn.lock b/yarn.lock
index 45649ccbda..7412f7b75b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4499,7 +4499,7 @@ __metadata:
     depcheck: "npm:^1.4.7"
     eslint: "npm:^9.11.0"
     fast-deep-equal: "npm:^3.1.3"
-    happy-dom: "npm:^17.4.4"
+    happy-dom: "npm:^20.0.2"
     jotai: "npm:^2.12.2"
     monaco-editor: "patch:monaco-editor@npm%3A0.52.2#~/.yarn/patches/monaco-editor-npm-0.52.2-584d16bfa6.patch"
     nanoid: "npm:^3.3.10"
@@ -6289,6 +6289,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/node@npm:^20.0.0":
+  version: 20.19.23
+  resolution: "@types/node@npm:20.19.23"
+  dependencies:
+    undici-types: "npm:~6.21.0"
+  checksum: 10/35ca928381fab74abe2938a5ef00e3e9721ed0475e370a2c5c49877ed88858690d8d5464b6cb6bbe717497482e9087d1f58b6140dbcdd2742750fbe39e271489
+  languageName: node
+  linkType: hard
+
 "@types/parse-json@npm:^4.0.0":
   version: 4.0.0
   resolution: "@types/parse-json@npm:4.0.0"
@@ -6500,6 +6509,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/whatwg-mimetype@npm:^3.0.2":
+  version: 3.0.2
+  resolution: "@types/whatwg-mimetype@npm:3.0.2"
+  checksum: 10/609607beeaa8b50b9e00541d8f571880d651b26b6b006103370099aba00784037de54433627c9fe775a5558e3d1fc09c2a48f54c8af91988e9bebeaf6a698eeb
+  languageName: node
+  linkType: hard
+
 "@types/ws@npm:^8.5.10":
   version: 8.18.1
   resolution: "@types/ws@npm:8.18.1"
@@ -11857,13 +11873,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"happy-dom@npm:^17.4.4":
-  version: 17.4.4
-  resolution: "happy-dom@npm:17.4.4"
+"happy-dom@npm:^20.0.2":
+  version: 20.0.8
+  resolution: "happy-dom@npm:20.0.8"
   dependencies:
-    webidl-conversions: "npm:^7.0.0"
+    "@types/node": "npm:^20.0.0"
+    "@types/whatwg-mimetype": "npm:^3.0.2"
     whatwg-mimetype: "npm:^3.0.0"
-  checksum: 10/14a059d054687851767dcde8f0956d1e230ddf1ce05ca2facd349d2b50286317ab89797af57c38b3565b28f365ea93248a0acfc068e55aa46dcd876abdd2c478
+  checksum: 10/d16e9c2a04155ac666b892e382aba4bf48783937f6e877e8d7ede90b8e2148d76c5a6965757f928d35a2ebe51698fa3debd0ec110339c8eb395dc81d67dc5406
   languageName: node
   linkType: hard
 
@@ -15385,27 +15402,27 @@ __metadata:
   languageName: node
   linkType: hard
 
-"playwright-core@npm:1.49.1":
-  version: 1.49.1
-  resolution: "playwright-core@npm:1.49.1"
+"playwright-core@npm:1.55.1":
+  version: 1.55.1
+  resolution: "playwright-core@npm:1.55.1"
   bin:
     playwright-core: cli.js
-  checksum: 10/baa39a53024ec7744708410f2b952ac3aa2e1a6d311dabfa303523712848eba142fce5c20f1b2ed2a66fbd9a415d22ea8642b0f70423360aaebd4b41c47d364e
+  checksum: 10/953a43039dbcca04513bd3138a9dee249a136d5377da00d49402ffcd24d33ca84dc1dc04636d1b76e9f8c9fd28a302b89cda1ae544d72b5d829c28e623bfcb0b
   languageName: node
   linkType: hard
 
-"playwright@npm:~1.49.0":
-  version: 1.49.1
-  resolution: "playwright@npm:1.49.1"
+"playwright@npm:~1.55.1":
+  version: 1.55.1
+  resolution: "playwright@npm:1.55.1"
   dependencies:
     fsevents: "npm:2.3.2"
-    playwright-core: "npm:1.49.1"
+    playwright-core: "npm:1.55.1"
   dependenciesMeta:
     fsevents:
       optional: true
   bin:
     playwright: cli.js
-  checksum: 10/49fb063f4a107b8090f66d2d351ebd51fbb66843a8f95a161fa0c0e0b5156515961e75cc10f4249f61b9d2af51f762dda505c62b096d8f61cd47d1ff73ab39d2
+  checksum: 10/5dcf9ce564cacf6c06ebc864bb2b1f709c641792560d49889ed4c98e230be54a963ec8aaafff11269735d8d22da4900bd2d4ef9f1748d132326ffda8fb1f3f20
   languageName: node
   linkType: hard
 
@@ -16511,7 +16528,7 @@ __metadata:
     lint-staged: "npm:^12.4.1"
     lodash: "npm:^4.17.21"
     minimatch: "npm:^7.4.1"
-    playwright: "npm:~1.49.0"
+    playwright: "npm:~1.55.1"
     prettier: "npm:^3.3.3"
     prettier-2: "npm:prettier@^2.8.8"
     prettier-plugin-packagejson: "npm:^2.5.8"
@@ -18296,6 +18313,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"undici-types@npm:~6.21.0":
+  version: 6.21.0
+  resolution: "undici-types@npm:6.21.0"
+  checksum: 10/ec8f41aa4359d50f9b59fa61fe3efce3477cc681908c8f84354d8567bb3701fafdddf36ef6bff307024d3feb42c837cf6f670314ba37fc8145e219560e473d14
+  languageName: node
+  linkType: hard
+
 "unicode-canonical-property-names-ecmascript@npm:^2.0.0":
   version: 2.0.0
   resolution: "unicode-canonical-property-names-ecmascript@npm:2.0.0"
@@ -18735,13 +18759,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"webidl-conversions@npm:^7.0.0":
-  version: 7.0.0
-  resolution: "webidl-conversions@npm:7.0.0"
-  checksum: 10/4c4f65472c010eddbe648c11b977d048dd96956a625f7f8b9d64e1b30c3c1f23ea1acfd654648426ce5c743c2108a5a757c0592f02902cf7367adb7d14e67721
-  languageName: node
-  linkType: hard
-
 "webpack-bundle-analyzer@npm:^4.10.2":
   version: 4.10.2
   resolution: "webpack-bundle-analyzer@npm:4.10.2"