diff --git a/types/yargs-parser/index.d.ts b/types/yargs-parser/index.d.ts
index 3e0e732ba8..9025b4d354 100644
--- a/types/yargs-parser/index.d.ts
+++ b/types/yargs-parser/index.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for yargs-parser 13.0
+// Type definitions for yargs-parser 13.1
 // Project: https://github.com/yargs/yargs-parser#readme
 // Definitions by: Miles Johnson <https://github.com/milesj>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
@@ -52,6 +52,10 @@ declare namespace yargsParser {
         'set-placeholder-key': boolean;
         /** Should a group of short-options be treated as boolean flags? Default is `true` */
         'short-option-groups': boolean;
+        /** Should aliases be removed before returning results? Default is `false` */
+        'strip-aliased': boolean;
+        /** Should dashed keys be removed before returning results? This option has no effect if camel-case-expansion is disabled. Default is `false` */
+        'strip-dashed': boolean;
     }
 
     interface Options {