diff --git a/src/reporter.spec.ts b/src/reporter.spec.ts
index def7faf..e11134c 100644
--- a/src/reporter.spec.ts
+++ b/src/reporter.spec.ts
@@ -151,8 +151,8 @@ describe('verbose reporter', () => {
   });
 
   it('falls back to Date when performance is not globally available', async () => {
-    const backup = global.performance;
-    delete (global as any).performance;
+    const backup = globalThis.performance;
+    delete (globalThis as any).performance;
     const cache = new Map<string, CacheEntry>();
     const logger = createLogger();
 
@@ -165,7 +165,7 @@ describe('verbose reporter', () => {
       verboseReporter({ logger }),
     );
 
-    (global as any).performance = backup;
+    (globalThis as any).performance = backup;
     expect(Date.now).toBeCalledTimes(3);
   });
 
diff --git a/src/reporter.ts b/src/reporter.ts
index 7e2ae30..87668f3 100644
--- a/src/reporter.ts
+++ b/src/reporter.ts
@@ -146,7 +146,7 @@ interface ReporterOpts {
 export function verboseReporter<Value>({
   formatDuration = defaultFormatDuration,
   logger = console,
-  performance = global.performance || Date,
+  performance = globalThis.performance || Date,
 }: ReporterOpts = {}): CreateReporter<Value> {
   return ({ key, fallbackToCache, forceFresh, metadata, cache }) => {
     const cacheName =