diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 49fdafe9..52c05c5d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -61,7 +61,7 @@ jobs:
     - name: ⚙️ Use Node.js 20.x
       uses: actions/setup-node@6044e13b5dc448c55e2357c09f80417699197238 # v6
       with:
-        node-version: 20.x
+        node-version: 24.x
     - name: ⚙️ yarn
       run: |
         npm install -g yarn@1.x
diff --git a/src/nerdbank-streams/package.json b/src/nerdbank-streams/package.json
index 55a52be2..527181f6 100644
--- a/src/nerdbank-streams/package.json
+++ b/src/nerdbank-streams/package.json
@@ -34,7 +34,7 @@
   "devDependencies": {
     "@types/jest": "29.5.14",
     "@types/msgpack-lite": "0.1.12",
-    "@types/node": "16.18.126",
+    "@types/node": "24.12.2",
     "@types/promise": "7.1.30",
     "@typescript-eslint/eslint-plugin": "5.62.0",
     "@typescript-eslint/parser": "5.62.0",
diff --git a/src/nerdbank-streams/yarn.lock b/src/nerdbank-streams/yarn.lock
index 1e382f80..10055d05 100644
--- a/src/nerdbank-streams/yarn.lock
+++ b/src/nerdbank-streams/yarn.lock
@@ -964,10 +964,12 @@
   dependencies:
     undici-types "~6.20.0"
 
-"@types/node@16.18.126":
-  version "16.18.126"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-16.18.126.tgz#27875faa2926c0f475b39a8bb1e546c0176f8d4b"
-  integrity sha512-OTcgaiwfGFBKacvfwuHzzn1KLxH/er8mluiy8/uM3sGXHaRe73RrSIj01jow9t4kJEW633Ov+cOexXeiApTyAw==
+"@types/node@24.12.2":
+  version "24.12.2"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-24.12.2.tgz#353cb161dbf1785ea25e8829ba7ec574c5c629ac"
+  integrity sha512-A1sre26ke7HDIuY/M23nd9gfB+nrmhtYyMINbjI1zHJxYteKR6qSMX56FsmjMcDb3SMcjJg5BiRRgOCC/yBD0g==
+  dependencies:
+    undici-types "~7.16.0"
 
 "@types/promise@7.1.30":
   version "7.1.30"
@@ -6148,6 +6150,11 @@ undici-types@~6.20.0:
   resolved "https://registry.yarnpkg.com/undici-types/-/undici-types-6.20.0.tgz#8171bf22c1f588d1554d55bf204bc624af388433"
   integrity sha512-Ny6QZ2Nju20vw1SRHe3d9jVu6gJ+4e3+MMpqu7pqE5HT6WsTSlce++GQmK5UXS8mzV8DSYHrQH+Xrf2jVcuKNg==
 
+undici-types@~7.16.0:
+  version "7.16.0"
+  resolved "https://registry.yarnpkg.com/undici-types/-/undici-types-7.16.0.tgz#ffccdff36aea4884cbfce9a750a0580224f58a46"
+  integrity sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw==
+
 unique-stream@^2.0.2:
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/unique-stream/-/unique-stream-2.3.1.tgz#c65d110e9a4adf9a6c5948b28053d9a8d04cbeac"