diff --git a/clients/algoliasearch-client-javascript/packages/client-common/package.json b/clients/algoliasearch-client-javascript/packages/client-common/package.json
index cb71569f7dc..91c9a4a9ff4 100644
--- a/clients/algoliasearch-client-javascript/packages/client-common/package.json
+++ b/clients/algoliasearch-client-javascript/packages/client-common/package.json
@@ -37,7 +37,7 @@
   "devDependencies": {
     "@arethetypeswrong/cli": "0.18.2",
     "@types/node": "24.10.1",
-    "jsdom": "27.2.0",
+    "jsdom": "27.3.0",
     "publint": "0.3.16",
     "ts-node": "10.9.2",
     "tsup": "8.5.1",
diff --git a/clients/algoliasearch-client-javascript/packages/logger-console/package.json b/clients/algoliasearch-client-javascript/packages/logger-console/package.json
index 8aee196236e..1d9d2992abc 100644
--- a/clients/algoliasearch-client-javascript/packages/logger-console/package.json
+++ b/clients/algoliasearch-client-javascript/packages/logger-console/package.json
@@ -37,7 +37,7 @@
   "devDependencies": {
     "@arethetypeswrong/cli": "0.18.2",
     "@types/node": "24.10.1",
-    "jsdom": "27.2.0",
+    "jsdom": "27.3.0",
     "publint": "0.3.16",
     "ts-node": "10.9.2",
     "tsup": "8.5.1",
diff --git a/clients/algoliasearch-client-javascript/packages/requester-browser-xhr/package.json b/clients/algoliasearch-client-javascript/packages/requester-browser-xhr/package.json
index 842abf295ac..ab22588e1c9 100644
--- a/clients/algoliasearch-client-javascript/packages/requester-browser-xhr/package.json
+++ b/clients/algoliasearch-client-javascript/packages/requester-browser-xhr/package.json
@@ -37,7 +37,7 @@
   "devDependencies": {
     "@arethetypeswrong/cli": "0.18.2",
     "@types/node": "24.10.1",
-    "jsdom": "27.2.0",
+    "jsdom": "27.3.0",
     "publint": "0.3.16",
     "tsup": "8.5.1",
     "typescript": "5.9.3",
diff --git a/clients/algoliasearch-client-javascript/yarn.lock b/clients/algoliasearch-client-javascript/yarn.lock
index 4041586861c..0ef95e70deb 100644
--- a/clients/algoliasearch-client-javascript/yarn.lock
+++ b/clients/algoliasearch-client-javascript/yarn.lock
@@ -12,6 +12,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@acemir/cssom@npm:^0.9.28":
+  version: 0.9.29
+  resolution: "@acemir/cssom@npm:0.9.29"
+  checksum: 10/5f1b1035f18a16dd2a64018121c6caf93b147f1b5860b0a1662ce7f24cdf9574443df8fd880f488149149ea1bb4dfaf504d067e6aeb353fc32eabf9c88e25499
+  languageName: node
+  linkType: hard
+
 "@algolia/abtesting@npm:1.12.0, @algolia/abtesting@workspace:packages/abtesting":
   version: 0.0.0-use.local
   resolution: "@algolia/abtesting@workspace:packages/abtesting"
@@ -86,7 +93,7 @@ __metadata:
   dependencies:
     "@arethetypeswrong/cli": "npm:0.18.2"
     "@types/node": "npm:24.10.1"
-    jsdom: "npm:27.2.0"
+    jsdom: "npm:27.3.0"
     publint: "npm:0.3.16"
     ts-node: "npm:10.9.2"
     tsup: "npm:8.5.1"
@@ -204,7 +211,7 @@ __metadata:
     "@algolia/client-common": "npm:5.46.0"
     "@arethetypeswrong/cli": "npm:0.18.2"
     "@types/node": "npm:24.10.1"
-    jsdom: "npm:27.2.0"
+    jsdom: "npm:27.3.0"
     publint: "npm:0.3.16"
     ts-node: "npm:10.9.2"
     tsup: "npm:8.5.1"
@@ -254,7 +261,7 @@ __metadata:
     "@algolia/client-common": "npm:5.46.0"
     "@arethetypeswrong/cli": "npm:0.18.2"
     "@types/node": "npm:24.10.1"
-    jsdom: "npm:27.2.0"
+    jsdom: "npm:27.3.0"
     publint: "npm:0.3.16"
     tsup: "npm:8.5.1"
     typescript: "npm:5.9.3"
@@ -363,7 +370,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@asamuzakjp/dom-selector@npm:^6.7.4":
+"@asamuzakjp/dom-selector@npm:^6.7.4, @asamuzakjp/dom-selector@npm:^6.7.6":
   version: 6.7.6
   resolution: "@asamuzakjp/dom-selector@npm:6.7.6"
   dependencies:
@@ -3914,7 +3921,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"cssstyle@npm:^5.3.3":
+"cssstyle@npm:^5.3.3, cssstyle@npm:^5.3.4":
   version: 5.3.4
   resolution: "cssstyle@npm:5.3.4"
   dependencies:
@@ -5725,6 +5732,39 @@ __metadata:
   languageName: node
   linkType: hard
 
+"jsdom@npm:27.3.0":
+  version: 27.3.0
+  resolution: "jsdom@npm:27.3.0"
+  dependencies:
+    "@acemir/cssom": "npm:^0.9.28"
+    "@asamuzakjp/dom-selector": "npm:^6.7.6"
+    cssstyle: "npm:^5.3.4"
+    data-urls: "npm:^6.0.0"
+    decimal.js: "npm:^10.6.0"
+    html-encoding-sniffer: "npm:^4.0.0"
+    http-proxy-agent: "npm:^7.0.2"
+    https-proxy-agent: "npm:^7.0.6"
+    is-potential-custom-element-name: "npm:^1.0.1"
+    parse5: "npm:^8.0.0"
+    saxes: "npm:^6.0.0"
+    symbol-tree: "npm:^3.2.4"
+    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"
+    xml-name-validator: "npm:^5.0.0"
+  peerDependencies:
+    canvas: ^3.0.0
+  peerDependenciesMeta:
+    canvas:
+      optional: true
+  checksum: 10/c650e954df04a80e7309984450ce764ae2a840810b9575b20204194dee3c5cff42e65526519cb58b946ffe66a058b7b763bad4814b3903a9c86a2c1651b8b74b
+  languageName: node
+  linkType: hard
+
 "json-parse-better-errors@npm:^1.0.1":
   version: 1.0.2
   resolution: "json-parse-better-errors@npm:1.0.2"
diff --git a/templates/javascript/clients/package.mustache b/templates/javascript/clients/package.mustache
index 222bc55e132..234287429a4 100644
--- a/templates/javascript/clients/package.mustache
+++ b/templates/javascript/clients/package.mustache
@@ -134,7 +134,7 @@
     "@algolia/requester-testing": "{{utilsPackageVersion}}",
     "@cloudflare/vitest-pool-workers": "0.10.15",
     "@cloudflare/workers-types": "4.20251115.0",
-    "jsdom": "27.2.0",
+    "jsdom": "27.3.0",
     "vitest": "4.0.15",
     {{/isAlgoliasearchClient}}
     "@arethetypeswrong/cli": "0.18.2",