diff --git a/x-pack/test/security_solution_api_integration/test_suites/edr_workflows/authentication/trial_license_complete_tier/endpoint_authz.ts b/x-pack/test/security_solution_api_integration/test_suites/edr_workflows/authentication/trial_license_complete_tier/endpoint_authz.ts
index df2f55ccb8d04..2a89d7aa714ce 100644
--- a/x-pack/test/security_solution_api_integration/test_suites/edr_workflows/authentication/trial_license_complete_tier/endpoint_authz.ts
+++ b/x-pack/test/security_solution_api_integration/test_suites/edr_workflows/authentication/trial_license_complete_tier/endpoint_authz.ts
@@ -40,7 +40,8 @@ export default function ({ getService }: FtrProviderContext) {
   }
   // @skipInServerlessMKI - this test uses internal index manipulation in before/after hooks
   // @skipInServerlessMKI - if you are removing this annotation, make sure to add the test suite to the MKI pipeline in .buildkite/pipelines/security_solution_quality_gate/mki_periodic/mki_periodic_defend_workflows.yml
-  describe('@ess @serverless @skipInServerlessMKI When attempting to call an endpoint api', function () {
+  // FLAKY: https://github.com/elastic/kibana/issues/203909
+  describe.skip('@ess @serverless @skipInServerlessMKI When attempting to call an endpoint api', function () {
     let indexedData: IndexedHostsAndAlertsResponse;
     let actionId = '';
     let agentId = '';