diff --git a/x-pack/test/detection_engine_api_integration/security_and_spaces/tests/exception_operators_data_types/ip.ts b/x-pack/test/detection_engine_api_integration/security_and_spaces/tests/exception_operators_data_types/ip.ts
index 058ae16dac8a..521a5c01a120 100644
--- a/x-pack/test/detection_engine_api_integration/security_and_spaces/tests/exception_operators_data_types/ip.ts
+++ b/x-pack/test/detection_engine_api_integration/security_and_spaces/tests/exception_operators_data_types/ip.ts
@@ -626,8 +626,7 @@ export default ({ getService }: FtrProviderContext) => {
         expect(ips).to.eql(['127.0.0.1', '127.0.0.3']);
       });
 
-      // flaky https://github.com/elastic/kibana/issues/89389
-      it.skip('will return 4 results if we have a list that excludes all ips', async () => {
+      it('will return 4 results if we have a list that excludes all ips', async () => {
         await importFile(
           supertest,
           'ip',
diff --git a/x-pack/test/detection_engine_api_integration/utils.ts b/x-pack/test/detection_engine_api_integration/utils.ts
index d8466f013a11..0f888c3ee515 100644
--- a/x-pack/test/detection_engine_api_integration/utils.ts
+++ b/x-pack/test/detection_engine_api_integration/utils.ts
@@ -721,7 +721,7 @@ export const getSimpleRuleOutputWithWebHookAction = (actionId: string): Partial<
 export const waitFor = async (
   functionToTest: () => Promise<boolean>,
   functionName: string,
-  maxTimeout: number = 10000,
+  maxTimeout: number = 20000,
   timeoutWait: number = 10
 ): Promise<void> => {
   await new Promise<void>(async (resolve, reject) => {