diff --git a/.changeset/small-context-types.md b/.changeset/small-context-types.md
new file mode 100644
index 00000000..b378317c
--- /dev/null
+++ b/.changeset/small-context-types.md
@@ -0,0 +1,5 @@
+---
+"@tus/server": patch
+---
+
+Use the existing `CancellationContext` return type for `Server.createContext` so declaration generation succeeds with newer Node.js typings. This preserves the existing context shape and runtime behavior.
diff --git a/package-lock.json b/package-lock.json
index c04d5122..141ff72e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1656,13 +1656,13 @@
       }
     },
     "node_modules/@types/node": {
-      "version": "22.13.7",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.13.7.tgz",
-      "integrity": "sha512-oU2q+BsQldB9lYxHNp/5aZO+/Bs0Usa74Abo9mAKulz4ahQyXRHK6UVKYIN8KSC8HXwhWSi7b49JnX+txuac0w==",
+      "version": "26.6.5",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.6.5.tgz",
+      "integrity": "sha512-uMzsv9stDdofIZBx4UGh4Z9ZgXnGC9seRDscilBcTHAeOFk67MZg/k9bWVfO+bk4qZmG+l52hRnLwUiH2LnJTg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~6.20.0"
+        "undici-types": "~8.9.0"
       }
     },
     "node_modules/@types/request": {
@@ -4278,9 +4278,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "6.20.0",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.20.0.tgz",
-      "integrity": "sha512-Ny6QZ2Nju20vw1SRHe3d9jVu6gJ+4e3+MMpqu7pqE5HT6WsTSlce++GQmK5UXS8mzV8DSYHrQH+Xrf2jVcuKNg==",
+      "version": "8.9.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.9.0.tgz",
+      "integrity": "sha512-KTDyRTYX8sWmKXAikPHHSyc63CRPETMctyjKFupcC6OBLXT3xsN0e9aF7m+mIXutFWpUXuedtowG7iLOzp0kQg==",
       "dev": true,
       "license": "MIT"
     },
@@ -4375,7 +4375,7 @@
       "devDependencies": {
         "@types/debug": "^4.1.12",
         "@types/mocha": "^10.0.6",
-        "@types/node": "^22.13.7",
+        "@types/node": "^26.2.0",
         "mocha": "^12.0.3",
         "should": "^13.2.3"
       },
@@ -4394,7 +4394,7 @@
       "devDependencies": {
         "@types/debug": "^4.1.12",
         "@types/mocha": "^10.0.6",
-        "@types/node": "^22.13.7",
+        "@types/node": "^26.2.0",
         "mocha": "^12.0.3",
         "should": "^13.2.3"
       },
@@ -4418,7 +4418,7 @@
         "@tus/server": "^2.4.0",
         "@types/debug": "^4.1.12",
         "@types/mocha": "^10.0.6",
-        "@types/node": "^22.13.7",
+        "@types/node": "^26.2.0",
         "mocha": "^12.0.3",
         "should": "^13.2.3"
       },
@@ -4443,7 +4443,7 @@
         "@types/debug": "^4.1.12",
         "@types/mocha": "^10.0.6",
         "@types/multistream": "^4.1.3",
-        "@types/node": "^22.13.7",
+        "@types/node": "^26.2.0",
         "mocha": "^12.0.3",
         "should": "^13.2.3"
       },
@@ -4466,7 +4466,7 @@
         "@types/debug": "^4.1.12",
         "@types/lodash.throttle": "^4.1.9",
         "@types/mocha": "^10.0.6",
-        "@types/node": "^22.13.7",
+        "@types/node": "^26.2.0",
         "@types/set-cookie-parser": "^2.4.10",
         "@types/sinon": "^17.0.3",
         "@types/supertest": "^7.2.0",
@@ -4491,7 +4491,7 @@
       "devDependencies": {
         "@types/debug": "^4.1.12",
         "@types/mocha": "^10.0.6",
-        "@types/node": "^22.13.7",
+        "@types/node": "^26.2.0",
         "ioredis": "^5.4.1",
         "mocha": "^12.0.3",
         "should": "^13.2.3"
@@ -4509,7 +4509,7 @@
       },
       "devDependencies": {
         "@types/mocha": "^10.0.6",
-        "@types/node": "^22.13.7",
+        "@types/node": "^26.2.0",
         "@types/rimraf": "^3.0.2",
         "@types/sinon": "^17.0.3",
         "@types/supertest": "^7.2.0",
diff --git a/packages/azure-store/package.json b/packages/azure-store/package.json
index 47161985..10672212 100644
--- a/packages/azure-store/package.json
+++ b/packages/azure-store/package.json
@@ -28,7 +28,7 @@
   "devDependencies": {
     "@types/debug": "^4.1.12",
     "@types/mocha": "^10.0.6",
-    "@types/node": "^22.13.7",
+    "@types/node": "^26.2.0",
     "mocha": "^12.0.3",
     "should": "^13.2.3"
   },
diff --git a/packages/file-store/package.json b/packages/file-store/package.json
index 9d88203f..fc1f94d3 100644
--- a/packages/file-store/package.json
+++ b/packages/file-store/package.json
@@ -27,7 +27,7 @@
   "devDependencies": {
     "@types/debug": "^4.1.12",
     "@types/mocha": "^10.0.6",
-    "@types/node": "^22.13.7",
+    "@types/node": "^26.2.0",
     "mocha": "^12.0.3",
     "should": "^13.2.3"
   },
diff --git a/packages/gcs-store/package.json b/packages/gcs-store/package.json
index e3bb95e6..f1ccc310 100644
--- a/packages/gcs-store/package.json
+++ b/packages/gcs-store/package.json
@@ -29,7 +29,7 @@
     "@tus/server": "^2.4.0",
     "@types/debug": "^4.1.12",
     "@types/mocha": "^10.0.6",
-    "@types/node": "^22.13.7",
+    "@types/node": "^26.2.0",
     "mocha": "^12.0.3",
     "should": "^13.2.3"
   },
diff --git a/packages/s3-store/package.json b/packages/s3-store/package.json
index 9031d0c1..b325e5bc 100644
--- a/packages/s3-store/package.json
+++ b/packages/s3-store/package.json
@@ -30,7 +30,7 @@
     "@types/debug": "^4.1.12",
     "@types/mocha": "^10.0.6",
     "@types/multistream": "^4.1.3",
-    "@types/node": "^22.13.7",
+    "@types/node": "^26.2.0",
     "mocha": "^12.0.3",
     "should": "^13.2.3"
   },
diff --git a/packages/server/package.json b/packages/server/package.json
index 7db3eeee..0d6bc11c 100644
--- a/packages/server/package.json
+++ b/packages/server/package.json
@@ -31,7 +31,7 @@
     "@types/debug": "^4.1.12",
     "@types/lodash.throttle": "^4.1.9",
     "@types/mocha": "^10.0.6",
-    "@types/node": "^22.13.7",
+    "@types/node": "^26.2.0",
     "@types/set-cookie-parser": "^2.4.10",
     "@types/sinon": "^17.0.3",
     "@types/supertest": "^7.2.0",
diff --git a/packages/server/src/server.ts b/packages/server/src/server.ts
index cc517f18..9ea3b48d 100644
--- a/packages/server/src/server.ts
+++ b/packages/server/src/server.ts
@@ -305,7 +305,7 @@ export class Server extends EventEmitter {
     return this.datastore.deleteExpired()
   }
 
-  protected createContext() {
+  protected createContext(): CancellationContext {
     // Initialize two AbortControllers:
     // 1. `requestAbortController` for instant request termination, particularly useful for stopping clients to upload when errors occur.
     // 2. `abortWithDelayController` to introduce a delay before aborting, allowing the server time to complete ongoing operations.
diff --git a/packages/utils/package.json b/packages/utils/package.json
index b91725fa..eadc5419 100644
--- a/packages/utils/package.json
+++ b/packages/utils/package.json
@@ -23,7 +23,7 @@
   "devDependencies": {
     "@types/debug": "^4.1.12",
     "@types/mocha": "^10.0.6",
-    "@types/node": "^22.13.7",
+    "@types/node": "^26.2.0",
     "ioredis": "^5.4.1",
     "mocha": "^12.0.3",
     "should": "^13.2.3"
diff --git a/test/package.json b/test/package.json
index 03bc58f4..124591e8 100644
--- a/test/package.json
+++ b/test/package.json
@@ -18,7 +18,7 @@
   },
   "devDependencies": {
     "@types/mocha": "^10.0.6",
-    "@types/node": "^22.13.7",
+    "@types/node": "^26.2.0",
     "@types/rimraf": "^3.0.2",
     "@types/sinon": "^17.0.3",
     "@types/supertest": "^7.2.0",