diff --git a/types/keycloak-connect/index.d.ts b/types/keycloak-connect/index.d.ts
index 2a98ccec52..10338f5833 100644
--- a/types/keycloak-connect/index.d.ts
+++ b/types/keycloak-connect/index.d.ts
@@ -1,6 +1,7 @@
 // Type definitions for keycloak-connect 4.5
 // Project: https://github.com/keycloak/keycloak-nodejs-connect, http://keycloak.org
 // Definitions by: Gregor Stamać <https://github.com/gstamac>
+//                 Blas Sackmann <https://github.com/SackSlab>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.3
 
@@ -62,6 +63,7 @@ declare namespace Keycloak {
 		isExpired: () => boolean;
 		hasRole: (roleName: string) => boolean;
 		hasApplicationRole: (appName: string, roleName: string) => boolean;
+		hasPermission: (resource: string, scope: string) => boolean;
 		hasRealmRole: (roleName: string) => boolean;
 	}
 
diff --git a/types/keycloak-connect/keycloak-connect-tests.ts b/types/keycloak-connect/keycloak-connect-tests.ts
index 2e8d1869df..e80291d785 100644
--- a/types/keycloak-connect/keycloak-connect-tests.ts
+++ b/types/keycloak-connect/keycloak-connect-tests.ts
@@ -65,6 +65,7 @@ _boolean = token.isExpired();
 _boolean = token.hasRole('roleName');
 _boolean = token.hasApplicationRole('appName', 'roleName');
 _boolean = token.hasRealmRole('roleName');
+_boolean = token.hasPermission('res:coffe', 'coffe:espresso');
 
 const specHandler: Keycloak.SpecHandler = undefined;
 _boolean = specHandler(token, request, response);