diff --git a/packages/core/test/lib/base.test.ts b/packages/core/test/lib/base.test.ts
index 162b53e4bb51..eed6b4cb3a2f 100644
--- a/packages/core/test/lib/base.test.ts
+++ b/packages/core/test/lib/base.test.ts
@@ -1673,7 +1673,7 @@ describe('BaseClient', () => {
         }),
       );
 
-      // @ts-ignore
+      // @ts-expect-error Accessing private transport API
       const mockSend = jest.spyOn(client._transport, 'send');
 
       const errorEvent: Event = { message: 'error' };
@@ -1701,7 +1701,7 @@ describe('BaseClient', () => {
         }),
       );
 
-      // @ts-ignore
+      // @ts-expect-error Accessing private transport API
       const mockSend = jest.spyOn(client._transport, 'send');
 
       const transactionEvent: Event = { type: 'transaction', event_id: 'tr1' };
@@ -1731,7 +1731,7 @@ describe('BaseClient', () => {
         }),
       );
 
-      // @ts-ignore
+      // @ts-expect-error Accessing private transport API
       const mockSend = jest.spyOn(client._transport, 'send').mockImplementation(() => {
         return Promise.reject('send error');
       });
@@ -1763,7 +1763,7 @@ describe('BaseClient', () => {
         }),
       );
 
-      // @ts-ignore
+      // @ts-expect-error Accessing private transport API
       const mockSend = jest.spyOn(client._transport, 'send').mockImplementation(() => {
         return Promise.resolve({ statusCode: 200 });
       });