diff --git a/packages/core/package.json b/packages/core/package.json
index b920ce20..68fc73a2 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -65,7 +65,7 @@
     "@microsoft/api-extractor": "^7.52.13",
     "@rslib/core": "0.13.3",
     "@rstest/tsconfig": "workspace:*",
-    "@sinonjs/fake-timers": "^14.0.0",
+    "@sinonjs/fake-timers": "^15.0.0",
     "@types/babel__code-frame": "^7.0.6",
     "@types/istanbul-reports": "^3.0.4",
     "@types/istanbul-lib-coverage": "^2.0.6",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 823c9137..58782798 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -433,8 +433,8 @@ importers:
         specifier: workspace:*
         version: link:../../scripts/tsconfig
       '@sinonjs/fake-timers':
-        specifier: ^14.0.0
-        version: 14.0.0
+        specifier: ^15.0.0
+        version: 15.0.0
       '@types/babel__code-frame':
         specifier: ^7.0.6
         version: 7.0.6
@@ -1816,8 +1816,8 @@ packages:
   '@sinonjs/commons@3.0.1':
     resolution: {integrity: sha512-K3mCHKQ9sVh8o1C9cxkwxaOmXoAMlDxC1mYyHrjqOWEcBjYr76t96zL2zlj5dUGZ3HSw240X1qgH3Mjf1yJWpQ==}
 
-  '@sinonjs/fake-timers@14.0.0':
-    resolution: {integrity: sha512-QfoXRaUTjMVVn/ZbnD4LS3TPtqOkOdKIYCKldIVPnuClcwRKat6LI2mRZ2s5qiBfO6Fy03An35dSls/2/FEc0Q==}
+  '@sinonjs/fake-timers@15.0.0':
+    resolution: {integrity: sha512-dlUB2oL+hDIYkIq/OWFBDhQAuU6kDey3eeMiYpVb7UXHhkMq/r1HloKXAbJwJZpYWkFWsydLjMqDpueMUEOjXQ==}
 
   '@socket.io/component-emitter@3.1.2':
     resolution: {integrity: sha512-9BCxFwvbGg/RsZK9tjXd8s4UcwR0MWeFQ1XEKIQVVvAGJyINdrqKMcTRyLoK8Rse1GjzLV9cwjWV1olXRWEXVA==}
@@ -6453,7 +6453,7 @@ snapshots:
     dependencies:
       type-detect: 4.0.8
 
-  '@sinonjs/fake-timers@14.0.0':
+  '@sinonjs/fake-timers@15.0.0':
     dependencies:
       '@sinonjs/commons': 3.0.1