diff --git a/x-pack/plugins/security_solution/server/lib/telemetry/sender.ts b/x-pack/plugins/security_solution/server/lib/telemetry/sender.ts
index 3a8d503c9311f..bd7e0b5bee84b 100644
--- a/x-pack/plugins/security_solution/server/lib/telemetry/sender.ts
+++ b/x-pack/plugins/security_solution/server/lib/telemetry/sender.ts
@@ -265,7 +265,7 @@ export class TelemetryEventsSender {
         headers: {
           'Content-Type': 'application/x-ndjson',
           'X-Elastic-Cluster-ID': clusterUuid,
-          'X-Elastic-Stack-Version': clusterVersionNumber ? clusterVersionNumber : '7.10.0',
+          'X-Elastic-Stack-Version': clusterVersionNumber ? clusterVersionNumber : '8.0.0',
           ...(licenseId ? { 'X-Elastic-License-ID': licenseId } : {}),
         },
       });