diff --git a/types/node-rsa/index.d.ts b/types/node-rsa/index.d.ts
index f7e92c071b..e0730eef74 100644
--- a/types/node-rsa/index.d.ts
+++ b/types/node-rsa/index.d.ts
@@ -1,6 +1,7 @@
 // Type definitions for node-rsa 0.4
 // Project: https://github.com/rzcoder/node-rsa
 // Definitions by: Ali Taheri <https://github.com/alitaheri>
+//                 Christian Moniz <https://github.com/xm>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.2
 
@@ -17,6 +18,11 @@ declare class NodeRSA {
      */
     constructor(key: NodeRSA.Key, format?: NodeRSA.Format, options?: NodeRSA.Options);
 
+    /**
+     * Set and validate options for key instance.
+     */
+    setOptions(options: NodeRSA.Options): void;
+
     /**
      * @param bits Key size in bits. 2048 by default.
      * @param exponent public exponent. 65537 by default.
diff --git a/types/node-rsa/node-rsa-tests.ts b/types/node-rsa/node-rsa-tests.ts
index eac9a0397b..88d8bdcb2e 100644
--- a/types/node-rsa/node-rsa-tests.ts
+++ b/types/node-rsa/node-rsa-tests.ts
@@ -2,6 +2,11 @@ import NodeRSA = require('node-rsa');
 
 const key = new NodeRSA({ b: 512 });
 
+key.setOptions({
+	encryptionScheme: 'pkcs1_oaep',
+	signingScheme: 'pkcs1'
+});
+
 const text = 'Hello RSA!';
 const encrypted = key.encrypt(text, 'base64');
 const decrypted = key.decrypt(encrypted, 'utf8');