diff --git a/libbeat/outputs/elasticsearch/client_integration_test.go b/libbeat/outputs/elasticsearch/client_integration_test.go
index e243cb7d1e4..67ccc34b8f7 100644
--- a/libbeat/outputs/elasticsearch/client_integration_test.go
+++ b/libbeat/outputs/elasticsearch/client_integration_test.go
@@ -55,6 +55,8 @@ func TestClientPublishEvent(t *testing.T) {
 }
 
 func TestClientPublishEventKerberosAware(t *testing.T) {
+	t.Skip("Flaky test: https://github.com/elastic/beats/issues/21295")
+
 	err := setupRoleMapping(t, eslegtest.GetEsKerberosHost())
 	if err != nil {
 		t.Fatal(err)