diff --git a/changelog.md b/changelog.md
index 15b1b9b..a49f4bb 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 2024-09-18 - 5.1.2 - fix(TapNodeTools)
+Default parameter added to createHttpsCert method
+
+- Updated createHttpsCert method to provide a default value for the parameter commonName.
+
 ## 2024-09-18 - 5.1.1 - fix(ts_node)
 Fixed createHttpsCert interface
 
diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index a887fd5..0d16ec3 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: '5.1.1',
+  version: '5.1.2',
   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 1dd1bb4..3e9bde8 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): Promise<{ key: string, cert: string }> {
+  public async createHttpsCert(commonName: string = 'localhost'): Promise<{ key: string, cert: string }> {
     const key = plugins.crypto.generateKeyPairSync('rsa', {
       modulusLength: 2048,
       publicExponent: 65537,