diff --git a/bin/.node-20.9.0.pkg b/bin/.node-20.15.1.pkg
similarity index 100%
rename from bin/.node-20.9.0.pkg
rename to bin/.node-20.15.1.pkg
diff --git a/bin/.pnpm-8.15.4.pkg b/bin/.pnpm-9.6.0.pkg
similarity index 100%
rename from bin/.pnpm-8.15.4.pkg
rename to bin/.pnpm-9.6.0.pkg
diff --git a/bin/corepack b/bin/corepack
index a18aecd8e..8ff3b5ad5 120000
--- a/bin/corepack
+++ b/bin/corepack
@@ -1 +1 @@
-.node-20.9.0.pkg
\ No newline at end of file
+.node-20.15.1.pkg
\ No newline at end of file
diff --git a/bin/node b/bin/node
index a18aecd8e..8ff3b5ad5 120000
--- a/bin/node
+++ b/bin/node
@@ -1 +1 @@
-.node-20.9.0.pkg
\ No newline at end of file
+.node-20.15.1.pkg
\ No newline at end of file
diff --git a/bin/npm b/bin/npm
index a18aecd8e..8ff3b5ad5 120000
--- a/bin/npm
+++ b/bin/npm
@@ -1 +1 @@
-.node-20.9.0.pkg
\ No newline at end of file
+.node-20.15.1.pkg
\ No newline at end of file
diff --git a/bin/npx b/bin/npx
index a18aecd8e..8ff3b5ad5 120000
--- a/bin/npx
+++ b/bin/npx
@@ -1 +1 @@
-.node-20.9.0.pkg
\ No newline at end of file
+.node-20.15.1.pkg
\ No newline at end of file
diff --git a/bin/pnpm b/bin/pnpm
index ccd74cafc..aa8e07c5b 120000
--- a/bin/pnpm
+++ b/bin/pnpm
@@ -1 +1 @@
-.pnpm-8.15.4.pkg
\ No newline at end of file
+.pnpm-9.6.0.pkg
\ No newline at end of file
diff --git a/packages/agent/package.json b/packages/agent/package.json
index d1fa49b8d..32abef05a 100644
--- a/packages/agent/package.json
+++ b/packages/agent/package.json
@@ -91,7 +91,7 @@
     "@types/mocha": "10.0.1",
     "@types/ms": "0.7.31",
     "@types/node": "20.11.19",
-    "@types/sinon": "17.0.2",
+    "@types/sinon": "17.0.3",
     "@typescript-eslint/eslint-plugin": "7.9.0",
     "@typescript-eslint/parser": "7.14.1",
     "@web/test-runner": "0.18.2",
@@ -107,7 +107,7 @@
     "node-stdlib-browser": "1.2.0",
     "playwright": "1.45.3",
     "rimraf": "4.4.0",
-    "sinon": "16.1.3",
+    "sinon": "18.0.0",
     "typescript": "5.1.6"
   }
 }
diff --git a/packages/agent/tests/prototyping/clients/dwn-server-info-cache.spec.ts b/packages/agent/tests/prototyping/clients/dwn-server-info-cache.spec.ts
index d8c2b1733..dfe8609dd 100644
--- a/packages/agent/tests/prototyping/clients/dwn-server-info-cache.spec.ts
+++ b/packages/agent/tests/prototyping/clients/dwn-server-info-cache.spec.ts
@@ -4,13 +4,11 @@ import { expect } from 'chai';
 
 import { DwnServerInfoCache, ServerInfo } from '../../../src/prototyping/clients/server-info-types.js';
 import { DwnServerInfoCacheMemory } from '../../../src/prototyping/clients/dwn-server-info-cache-memory.js';
-import { isNode } from '../../utils/runtimes.js';
 
 describe('DwnServerInfoCache', () => {
 
   describe(`DwnServerInfoCacheMemory`, () => {
     let cache: DwnServerInfoCache;
-    let clock: sinon.SinonFakeTimers;
 
     const exampleInfo:ServerInfo = {
       maxFileSize              : 100,
@@ -23,14 +21,12 @@ describe('DwnServerInfoCache', () => {
     });
 
     beforeEach(() => {
-      clock = sinon.useFakeTimers();
       cache = new DwnServerInfoCacheMemory();
     });
 
     afterEach(async () => {
       await cache.clear();
       await cache.close();
-      clock.restore();
     });
 
     it('sets server info in cache', async () => {
@@ -96,11 +92,9 @@ describe('DwnServerInfoCache', () => {
     });
 
     it('returns undefined after ttl', async function () {
-      // skip this test in the browser, sinon fake timers don't seem to work here
-      // with a an await setTimeout in the test, it passes.
-      if (!isNode) {
-        this.skip();
-      }
+      // NOTE: tried very hard to use sinon.useFakeTimers() but couldn't get it to work with `TtlCache` implementation in `DwnServerInfoCacheMemory`.
+      // I sanity added a setInterval here, and it obeys the fake time ticks and its callback is fired, but the `TtlCache` just ignores the fake timer ticks.
+      cache = new DwnServerInfoCacheMemory({ ttl: '100ms'});
 
       const key = 'some-key1';
       await cache.set(key, { ...exampleInfo });
@@ -109,8 +103,8 @@ describe('DwnServerInfoCache', () => {
       expect(result!.webSocketSupport).to.deep.equal(true);
       expect(result).to.deep.equal(exampleInfo);
 
-      // wait until 15m default ttl is up
-      await clock.tickAsync('15:01');
+      // sleep for 100ms
+      await new Promise((resolve) => setTimeout(resolve, 100));
 
       const resultAfter = await cache.get(key);
       expect(resultAfter).to.be.undefined;
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index cbccbcb16..bd19252e7 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -101,8 +101,8 @@ importers:
         specifier: 20.11.19
         version: 20.11.19
       '@types/sinon':
-        specifier: 17.0.2
-        version: 17.0.2
+        specifier: 17.0.3
+        version: 17.0.3
       '@typescript-eslint/eslint-plugin':
         specifier: 7.9.0
         version: 7.9.0(@typescript-eslint/parser@7.14.1(eslint@9.3.0)(typescript@5.1.6))(eslint@9.3.0)(typescript@5.1.6)
@@ -146,8 +146,8 @@ importers:
         specifier: 4.4.0
         version: 4.4.0
       sinon:
-        specifier: 16.1.3
-        version: 16.1.3
+        specifier: 18.0.0
+        version: 18.0.0
       typescript:
         specifier: 5.1.6
         version: 5.1.6