diff --git a/language-server/package-lock.json b/language-server/package-lock.json
index 82d415c..0b4a494 100644
--- a/language-server/package-lock.json
+++ b/language-server/package-lock.json
@@ -22,7 +22,7 @@
         "vscode-uri": "^3.1.0"
       },
       "devDependencies": {
-        "undici": "^7.23.0"
+        "undici": "^8.11.2"
       }
     },
     "node_modules/@fluent/bundle": {
@@ -224,13 +224,13 @@
       }
     },
     "node_modules/undici": {
-      "version": "7.30.0",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-7.30.0.tgz",
-      "integrity": "sha512-dkrQXeHSaoamnItlYbmzG0wFYrM0ZwDxCIg0A7aKjTyyhh9svRzCNFEzV+Vm05/yehjCzjDZ31KXfGEjYSztDQ==",
+      "version": "8.11.2",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-8.11.2.tgz",
+      "integrity": "sha512-u4UB2/IrKdU6lFxumHmmo1a3fCQO5tzQllRorfoRS63txhrB7xTpSn1PftwC4qEHkOaqP95fCWW4lJzwErwzhQ==",
       "dev": true,
       "license": "MIT",
       "engines": {
-        "node": ">=20.18.1"
+        "node": ">=22.19.0"
       }
     },
     "node_modules/uuid": {
diff --git a/language-server/package.json b/language-server/package.json
index 71b13cf..3241643 100644
--- a/language-server/package.json
+++ b/language-server/package.json
@@ -32,6 +32,6 @@
     "vscode-uri": "^3.1.0"
   },
   "devDependencies": {
-    "undici": "^7.23.0"
+    "undici": "^8.11.2"
   }
 }