diff --git a/discovery/securitycenter-v1.json b/discovery/securitycenter-v1.json
index 5ff3d3da29c..949e5bce649 100644
--- a/discovery/securitycenter-v1.json
+++ b/discovery/securitycenter-v1.json
@@ -3058,7 +3058,7 @@
       }
     }
   },
-  "revision": "20220811",
+  "revision": "20220817",
   "rootUrl": "https://securitycenter.googleapis.com/",
   "schemas": {
     "Access": {
@@ -5074,7 +5074,8 @@
               "DOMAIN_POLICY_MODIFICATION",
               "IMPAIR_DEFENSES",
               "NETWORK_SERVICE_DISCOVERY",
-              "ACCESS_TOKEN_MANIPULATION"
+              "ACCESS_TOKEN_MANIPULATION",
+              "ABUSE_ELEVATION_CONTROL_MECHANISM"
             ],
             "enumDescriptions": [
               "Unspecified value.",
@@ -5110,7 +5111,8 @@
               "T1484",
               "T1562",
               "T1046",
-              "T1134"
+              "T1134",
+              "T1548"
             ],
             "type": "string"
           },
@@ -5191,7 +5193,8 @@
               "DOMAIN_POLICY_MODIFICATION",
               "IMPAIR_DEFENSES",
               "NETWORK_SERVICE_DISCOVERY",
-              "ACCESS_TOKEN_MANIPULATION"
+              "ACCESS_TOKEN_MANIPULATION",
+              "ABUSE_ELEVATION_CONTROL_MECHANISM"
             ],
             "enumDescriptions": [
               "Unspecified value.",
@@ -5227,7 +5230,8 @@
               "T1484",
               "T1562",
               "T1046",
-              "T1134"
+              "T1134",
+              "T1548"
             ],
             "type": "string"
           },
diff --git a/discovery/securitycenter-v1beta1.json b/discovery/securitycenter-v1beta1.json
index 7be236ac294..e331792f7c9 100644
--- a/discovery/securitycenter-v1beta1.json
+++ b/discovery/securitycenter-v1beta1.json
@@ -896,7 +896,7 @@
       }
     }
   },
-  "revision": "20220811",
+  "revision": "20220817",
   "rootUrl": "https://securitycenter.googleapis.com/",
   "schemas": {
     "Access": {
@@ -2857,7 +2857,8 @@
               "DOMAIN_POLICY_MODIFICATION",
               "IMPAIR_DEFENSES",
               "NETWORK_SERVICE_DISCOVERY",
-              "ACCESS_TOKEN_MANIPULATION"
+              "ACCESS_TOKEN_MANIPULATION",
+              "ABUSE_ELEVATION_CONTROL_MECHANISM"
             ],
             "enumDescriptions": [
               "Unspecified value.",
@@ -2893,7 +2894,8 @@
               "T1484",
               "T1562",
               "T1046",
-              "T1134"
+              "T1134",
+              "T1548"
             ],
             "type": "string"
           },
@@ -2974,7 +2976,8 @@
               "DOMAIN_POLICY_MODIFICATION",
               "IMPAIR_DEFENSES",
               "NETWORK_SERVICE_DISCOVERY",
-              "ACCESS_TOKEN_MANIPULATION"
+              "ACCESS_TOKEN_MANIPULATION",
+              "ABUSE_ELEVATION_CONTROL_MECHANISM"
             ],
             "enumDescriptions": [
               "Unspecified value.",
@@ -3010,7 +3013,8 @@
               "T1484",
               "T1562",
               "T1046",
-              "T1134"
+              "T1134",
+              "T1548"
             ],
             "type": "string"
           },
diff --git a/discovery/securitycenter-v1beta2.json b/discovery/securitycenter-v1beta2.json
index 7fdcbbb2571..b17daefc228 100644
--- a/discovery/securitycenter-v1beta2.json
+++ b/discovery/securitycenter-v1beta2.json
@@ -1981,7 +1981,7 @@
       }
     }
   },
-  "revision": "20220811",
+  "revision": "20220817",
   "rootUrl": "https://securitycenter.googleapis.com/",
   "schemas": {
     "Access": {
@@ -3571,7 +3571,8 @@
               "DOMAIN_POLICY_MODIFICATION",
               "IMPAIR_DEFENSES",
               "NETWORK_SERVICE_DISCOVERY",
-              "ACCESS_TOKEN_MANIPULATION"
+              "ACCESS_TOKEN_MANIPULATION",
+              "ABUSE_ELEVATION_CONTROL_MECHANISM"
             ],
             "enumDescriptions": [
               "Unspecified value.",
@@ -3607,7 +3608,8 @@
               "T1484",
               "T1562",
               "T1046",
-              "T1134"
+              "T1134",
+              "T1548"
             ],
             "type": "string"
           },
@@ -3688,7 +3690,8 @@
               "DOMAIN_POLICY_MODIFICATION",
               "IMPAIR_DEFENSES",
               "NETWORK_SERVICE_DISCOVERY",
-              "ACCESS_TOKEN_MANIPULATION"
+              "ACCESS_TOKEN_MANIPULATION",
+              "ABUSE_ELEVATION_CONTROL_MECHANISM"
             ],
             "enumDescriptions": [
               "Unspecified value.",
@@ -3724,7 +3727,8 @@
               "T1484",
               "T1562",
               "T1046",
-              "T1134"
+              "T1134",
+              "T1548"
             ],
             "type": "string"
           },
diff --git a/src/index.ts b/src/index.ts
index 9d749d924aa..9d10489d34e 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -330,6 +330,7 @@ export {plus_v1} from './apis/plus/v1';
 export {policyanalyzer_v1} from './apis/policyanalyzer/v1';
 export {policyanalyzer_v1beta1} from './apis/policyanalyzer/v1beta1';
 export {policysimulator_v1} from './apis/policysimulator/v1';
+export {policysimulator_v1alpha} from './apis/policysimulator/v1alpha';
 export {policysimulator_v1beta1} from './apis/policysimulator/v1beta1';
 export {policytroubleshooter_v1} from './apis/policytroubleshooter/v1';
 export {policytroubleshooter_v1beta} from './apis/policytroubleshooter/v1beta';