diff --git a/package.json b/package.json
index 87ad984ec6..c898ff2b6c 100644
--- a/package.json
+++ b/package.json
@@ -134,6 +134,7 @@
     "@backstage/eslint-plugin": "workspace:*",
     "@backstage/repo-tools": "workspace:*",
     "@changesets/cli": "^2.14.0",
+    "@jest/environment-jsdom-abstract": "^30",
     "@octokit/rest": "^19.0.3",
     "@playwright/test": "^1.32.3",
     "@spotify/eslint-plugin": "^15.0.0",
@@ -145,6 +146,8 @@
     "@storybook/react-vite": "^10.1.9",
     "@techdocs/cli": "workspace:*",
     "@types/cacheable-request": "^8.3.6",
+    "@types/jest": "^30",
+    "@types/jsdom": "^27",
     "@types/memjs": "^1.3.3",
     "@types/node": "^22.13.14",
     "@types/webpack": "^5.28.0",
@@ -158,7 +161,9 @@
     "eslint-plugin-testing-library": "^6.0.0",
     "fs-extra": "^11.2.0",
     "husky": "^9.0.0",
+    "jest": "^30",
     "js-yaml": "^4.1.1",
+    "jsdom": "^27",
     "lint-staged": "^15.0.0",
     "madge": "^8.0.0",
     "minimist": "^1.2.5",
diff --git a/yarn.lock b/yarn.lock
index 54ffe02d52..7bf2b4f24e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9165,6 +9165,18 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@exodus/bytes@npm:^1.6.0":
+  version: 1.8.0
+  resolution: "@exodus/bytes@npm:1.8.0"
+  peerDependencies:
+    "@exodus/crypto": ^1.0.0-rc.4
+  peerDependenciesMeta:
+    "@exodus/crypto":
+      optional: true
+  checksum: 10/aed2f77fbdfbadfc686ee66be68c192dd9138677daa65d368b8aaee006432518fec1098b4319073692d9cce52c50e0269b700801c1cb13a694f8dd04a2e1c5ec
+  languageName: node
+  linkType: hard
+
 "@faker-js/faker@npm:5.5.3":
   version: 5.5.3
   resolution: "@faker-js/faker@npm:5.5.3"
@@ -10351,7 +10363,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@jest/environment-jsdom-abstract@npm:^30.0.0":
+"@jest/environment-jsdom-abstract@npm:^30, @jest/environment-jsdom-abstract@npm:^30.0.0":
   version: 30.2.0
   resolution: "@jest/environment-jsdom-abstract@npm:30.2.0"
   dependencies:
@@ -21029,7 +21041,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/jest@npm:*, @types/jest@npm:^30.0.0":
+"@types/jest@npm:*, @types/jest@npm:^30, @types/jest@npm:^30.0.0":
   version: 30.0.0
   resolution: "@types/jest@npm:30.0.0"
   dependencies:
@@ -21090,6 +21102,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/jsdom@npm:^27":
+  version: 27.0.0
+  resolution: "@types/jsdom@npm:27.0.0"
+  dependencies:
+    "@types/node": "npm:*"
+    "@types/tough-cookie": "npm:*"
+    parse5: "npm:^7.0.0"
+  checksum: 10/67dc284f74960e1ba0787599dfb0a46ca94ea4443242d3fc1e513b0c5313d2d4136176764acce2b03b8c66dec942ff4ab15322208ccc17b7c1dccc8cd01d4cc2
+  languageName: node
+  linkType: hard
+
 "@types/json-schema-merge-allof@npm:^0.6.0":
   version: 0.6.5
   resolution: "@types/json-schema-merge-allof@npm:0.6.5"
@@ -33235,6 +33258,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"html-encoding-sniffer@npm:^6.0.0":
+  version: 6.0.0
+  resolution: "html-encoding-sniffer@npm:6.0.0"
+  dependencies:
+    "@exodus/bytes": "npm:^1.6.0"
+  checksum: 10/97392e45d8aff57f180f62a1b12e62201c8451af68424b8bc3196f78e273891f2df285e5be43a3f28c7ba4badf9524ef305db65c4e4935a9e796afc86d9654b8
+  languageName: node
+  linkType: hard
+
 "html-entities@npm:^2.1.0, html-entities@npm:^2.5.2, html-entities@npm:^2.6.0":
   version: 2.6.0
   resolution: "html-entities@npm:2.6.0"
@@ -35597,7 +35629,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"jest@npm:^30.2.0":
+"jest@npm:^30, jest@npm:^30.2.0":
   version: 30.2.0
   resolution: "jest@npm:30.2.0"
   dependencies:
@@ -35821,16 +35853,17 @@ __metadata:
   languageName: node
   linkType: hard
 
-"jsdom@npm:^27.1.0":
-  version: 27.3.0
-  resolution: "jsdom@npm:27.3.0"
+"jsdom@npm:^27, jsdom@npm:^27.1.0":
+  version: 27.4.0
+  resolution: "jsdom@npm:27.4.0"
   dependencies:
     "@acemir/cssom": "npm:^0.9.28"
     "@asamuzakjp/dom-selector": "npm:^6.7.6"
+    "@exodus/bytes": "npm:^1.6.0"
     cssstyle: "npm:^5.3.4"
     data-urls: "npm:^6.0.0"
     decimal.js: "npm:^10.6.0"
-    html-encoding-sniffer: "npm:^4.0.0"
+    html-encoding-sniffer: "npm:^6.0.0"
     http-proxy-agent: "npm:^7.0.2"
     https-proxy-agent: "npm:^7.0.6"
     is-potential-custom-element-name: "npm:^1.0.1"
@@ -35840,7 +35873,6 @@ __metadata:
     tough-cookie: "npm:^6.0.0"
     w3c-xmlserializer: "npm:^5.0.0"
     webidl-conversions: "npm:^8.0.0"
-    whatwg-encoding: "npm:^3.1.1"
     whatwg-mimetype: "npm:^4.0.0"
     whatwg-url: "npm:^15.1.0"
     ws: "npm:^8.18.3"
@@ -35850,7 +35882,7 @@ __metadata:
   peerDependenciesMeta:
     canvas:
       optional: true
-  checksum: 10/c650e954df04a80e7309984450ce764ae2a840810b9575b20204194dee3c5cff42e65526519cb58b946ffe66a058b7b763bad4814b3903a9c86a2c1651b8b74b
+  checksum: 10/7c6db85ab91183b95204648e086cfc09ecee36d9e8fee0bb5d68e27543eca632de0af6d43de461176a7823820543d5c53561778af5f712b1a1cd28bfac084d51
   languageName: node
   linkType: hard
 
@@ -45118,6 +45150,7 @@ __metadata:
     "@backstage/eslint-plugin": "workspace:*"
     "@backstage/repo-tools": "workspace:*"
     "@changesets/cli": "npm:^2.14.0"
+    "@jest/environment-jsdom-abstract": "npm:^30"
     "@manypkg/get-packages": "npm:^1.1.3"
     "@octokit/rest": "npm:^19.0.3"
     "@playwright/test": "npm:^1.32.3"
@@ -45131,6 +45164,8 @@ __metadata:
     "@techdocs/cli": "workspace:*"
     "@types/cacheable-request": "npm:^8.3.6"
     "@types/global-agent": "npm:^2.1.3"
+    "@types/jest": "npm:^30"
+    "@types/jsdom": "npm:^27"
     "@types/memjs": "npm:^1.3.3"
     "@types/node": "npm:^22.13.14"
     "@types/webpack": "npm:^5.28.0"
@@ -45145,7 +45180,9 @@ __metadata:
     eslint-plugin-testing-library: "npm:^6.0.0"
     fs-extra: "npm:^11.2.0"
     husky: "npm:^9.0.0"
+    jest: "npm:^30"
     js-yaml: "npm:^4.1.1"
+    jsdom: "npm:^27"
     lint-staged: "npm:^15.0.0"
     madge: "npm:^8.0.0"
     minimist: "npm:^1.2.5"