diff --git a/package-lock.json b/package-lock.json
index 36ba1619..c1f3a11e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -38,7 +38,7 @@
         "prettier": "3.9.6",
         "ts-node": "10.9.2",
         "typescript": "5.9.3",
-        "vscode-jsonrpc": "8.2.1",
+        "vscode-jsonrpc": "9.0.1",
         "vscode-languageserver-protocol": "3.17.2"
       },
       "engines": {
@@ -5513,10 +5513,11 @@
       }
     },
     "node_modules/vscode-jsonrpc": {
-      "version": "8.2.1",
-      "resolved": "https://registry.npmjs.org/vscode-jsonrpc/-/vscode-jsonrpc-8.2.1.tgz",
-      "integrity": "sha512-kdjOSJ2lLIn7r1rtrMbbNCHjyMPfRnowdKjBQ+mGq6NAW5QY2bEZC/khaC5OR8svbbjvLEaIXkOq45e2X9BIbQ==",
+      "version": "9.0.1",
+      "resolved": "https://registry.npmjs.org/vscode-jsonrpc/-/vscode-jsonrpc-9.0.1.tgz",
+      "integrity": "sha512-rfuA6T75H6m5EkbhtEPzre9pT0HPcDI2MMy4+nPFIBks5J8JBAUHD4tRYSgaBOijIEC7SRkC1kKyXTLqbmh9jw==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": ">=14.0.0"
       }
@@ -9659,9 +9660,9 @@
       }
     },
     "vscode-jsonrpc": {
-      "version": "8.2.1",
-      "resolved": "https://registry.npmjs.org/vscode-jsonrpc/-/vscode-jsonrpc-8.2.1.tgz",
-      "integrity": "sha512-kdjOSJ2lLIn7r1rtrMbbNCHjyMPfRnowdKjBQ+mGq6NAW5QY2bEZC/khaC5OR8svbbjvLEaIXkOq45e2X9BIbQ==",
+      "version": "9.0.1",
+      "resolved": "https://registry.npmjs.org/vscode-jsonrpc/-/vscode-jsonrpc-9.0.1.tgz",
+      "integrity": "sha512-rfuA6T75H6m5EkbhtEPzre9pT0HPcDI2MMy4+nPFIBks5J8JBAUHD4tRYSgaBOijIEC7SRkC1kKyXTLqbmh9jw==",
       "dev": true
     },
     "vscode-languageserver": {
diff --git a/package.json b/package.json
index 08e455c9..f02a8702 100644
--- a/package.json
+++ b/package.json
@@ -89,7 +89,7 @@
     "prettier": "3.9.6",
     "ts-node": "10.9.2",
     "typescript": "5.9.3",
-    "vscode-jsonrpc": "8.2.1",
+    "vscode-jsonrpc": "9.0.1",
     "vscode-languageserver-protocol": "3.17.2"
   },
   "dependencies": {
diff --git a/test/CucumberLanguageServer.test.ts b/test/CucumberLanguageServer.test.ts
index 1ebe0307..12f793f6 100644
--- a/test/CucumberLanguageServer.test.ts
+++ b/test/CucumberLanguageServer.test.ts
@@ -1,7 +1,6 @@
 import { WasmParserAdapter } from '@cucumber/language-service/wasm'
 import assert from 'assert'
 import { Duplex } from 'stream'
-import { NullLogger, StreamMessageReader, StreamMessageWriter } from 'vscode-jsonrpc/node'
 import {
   Connection,
   createProtocolConnection,
@@ -14,7 +13,12 @@ import {
   ProtocolConnection,
   TextDocuments,
 } from 'vscode-languageserver'
-import { createConnection } from 'vscode-languageserver/node'
+import {
+  createConnection,
+  NullLogger,
+  StreamMessageReader,
+  StreamMessageWriter,
+} from 'vscode-languageserver/node'
 import {
   CompletionParams,
   CompletionRequest,
diff --git a/test/standalone.test.ts b/test/standalone.test.ts
index 2475b9a1..e4ff41f1 100644
--- a/test/standalone.test.ts
+++ b/test/standalone.test.ts
@@ -1,7 +1,6 @@
 import assert from 'assert'
 import { ChildProcess, fork } from 'child_process'
 import { Duplex } from 'stream'
-import { NullLogger, StreamMessageReader, StreamMessageWriter } from 'vscode-jsonrpc/node'
 import {
   createProtocolConnection,
   DidChangeConfigurationNotification,
@@ -12,6 +11,7 @@ import {
   LogMessageParams,
   ProtocolConnection,
 } from 'vscode-languageserver'
+import { NullLogger, StreamMessageReader, StreamMessageWriter } from 'vscode-languageserver/node'
 
 import { Settings } from '../src/types.js'