diff --git a/x-pack/plugins/uptime/common/constants/settings_defaults.ts b/x-pack/plugins/uptime/common/constants/settings_defaults.ts
index efa6ca79d33d8..ba092527a6689 100644
--- a/x-pack/plugins/uptime/common/constants/settings_defaults.ts
+++ b/x-pack/plugins/uptime/common/constants/settings_defaults.ts
@@ -8,6 +8,6 @@ import { DynamicSettings } from '../runtime_types';
 
 export const DYNAMIC_SETTINGS_DEFAULTS: DynamicSettings = {
   heartbeatIndices: 'heartbeat-7*',
-  certAgeThreshold: 365,
+  certAgeThreshold: 730,
   certExpirationThreshold: 30,
 };
diff --git a/x-pack/plugins/uptime/server/lib/alerts/__tests__/status_check.test.ts b/x-pack/plugins/uptime/server/lib/alerts/__tests__/status_check.test.ts
index 9f8c0a72f1262..d2d996e84c19e 100644
--- a/x-pack/plugins/uptime/server/lib/alerts/__tests__/status_check.test.ts
+++ b/x-pack/plugins/uptime/server/lib/alerts/__tests__/status_check.test.ts
@@ -87,7 +87,7 @@ describe('status check alert', () => {
           Object {
             "callES": [MockFunction],
             "dynamicSettings": Object {
-              "certAgeThreshold": 365,
+              "certAgeThreshold": 730,
               "certExpirationThreshold": 30,
               "heartbeatIndices": "heartbeat-7*",
             },
@@ -132,7 +132,7 @@ describe('status check alert', () => {
           Object {
             "callES": [MockFunction],
             "dynamicSettings": Object {
-              "certAgeThreshold": 365,
+              "certAgeThreshold": 730,
               "certExpirationThreshold": 30,
               "heartbeatIndices": "heartbeat-7*",
             },