diff --git a/x-pack/test/api_integration/deployment_agnostic/apis/observability/slo/find_slo.ts b/x-pack/test/api_integration/deployment_agnostic/apis/observability/slo/find_slo.ts
index 1d1be9dc338af..cd0102e8b649a 100644
--- a/x-pack/test/api_integration/deployment_agnostic/apis/observability/slo/find_slo.ts
+++ b/x-pack/test/api_integration/deployment_agnostic/apis/observability/slo/find_slo.ts
@@ -67,7 +67,7 @@ export default function ({ getService }: DeploymentAgnosticFtrProviderContext) {
           .get(`/api/observability/slos`)
           .set(adminRoleAuthc.apiKeyHeader)
           .set(internalHeaders)
-          .set('elastic-api-version', '1')
+          .set('elastic-api-version', '2023-10-31')
           .send();
 
         expect(response.body.results).length(2);
@@ -76,7 +76,7 @@ export default function ({ getService }: DeploymentAgnosticFtrProviderContext) {
           .get(`/api/observability/slos?kqlQuery=slo.name%3Airrelevant`)
           .set(adminRoleAuthc.apiKeyHeader)
           .set(internalHeaders)
-          .set('elastic-api-version', '1')
+          .set('elastic-api-version', '2023-10-31')
           .send()
           .expect(200);
 
@@ -87,7 +87,7 @@ export default function ({ getService }: DeploymentAgnosticFtrProviderContext) {
           .get(`/api/observability/slos?kqlQuery=slo.name%3Aintegration`)
           .set(adminRoleAuthc.apiKeyHeader)
           .set(internalHeaders)
-          .set('elastic-api-version', '1')
+          .set('elastic-api-version', '2023-10-31')
           .send()
           .expect(200);