diff --git a/changelog.md b/changelog.md
index 55806ba..15b1b9b 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 2024-09-18 - 5.1.1 - fix(ts_node)
+Fixed createHttpsCert interface
+
+- Removed unnecessary keyFile and certFile parameters from createHttpsCert method.
+
 ## 2024-09-18 - 5.1.0 - feat(ts_node)
 Add support for HTTPS certificate creation
 
diff --git a/test/test.node.ts b/test/test.node.ts
index f393320..bf9ce55 100644
--- a/test/test.node.ts
+++ b/test/test.node.ts
@@ -8,7 +8,7 @@ tap.test('should execure a command', async () => {
 });
 
 tap.test('should create a https cert', async () => {
-  const { key, cert } = await tapNodeTools.createHttpsCert('localhost', 'localhost.key', 'localhost.cert');
+  const { key, cert } = await tapNodeTools.createHttpsCert('localhost');
   console.log(key);
   console.log(cert);
   expect(key).toInclude('-----BEGIN PRIVATE KEY-----');
diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index 033b23e..a887fd5 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/tapbundle',
-  version: '5.1.0',
+  version: '5.1.1',
   description: 'A test automation library bundling utilities and tools for TAP (Test Anything Protocol) based testing, specifically tailored for tapbuffer.'
 }
diff --git a/ts_node/classes.tapnodetools.ts b/ts_node/classes.tapnodetools.ts
index c32014d..1dd1bb4 100644
--- a/ts_node/classes.tapnodetools.ts
+++ b/ts_node/classes.tapnodetools.ts
@@ -17,7 +17,7 @@ class TapNodeTools {
     return result;
   }
 
-  public async createHttpsCert(commonName: string, keyFile: string, certFile: string): Promise<{ key: string, cert: string }> {
+  public async createHttpsCert(commonName: string): Promise<{ key: string, cert: string }> {
     const key = plugins.crypto.generateKeyPairSync('rsa', {
       modulusLength: 2048,
       publicExponent: 65537,