diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4258c0fe..10ab12d5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Change Log
 
+## [4.59.1](https://github.com/plivo/plivo-php/tree/v4.59.1) (2024-01-03)
+**Bug fix - Internal URL constructor**
+- Fixed an internal constructor which was failing when query parameters were not passed in the URL.
+
 ## [4.59.0](https://github.com/plivo/plivo-php/tree/v4.59.0) (2023-10-31)
 **Feature - TollFree Verification API Support**
 - API support for Create, Update, Get, Delete and List Tollfree Verification.
diff --git a/src/Plivo/Version.php b/src/Plivo/Version.php
index 6762040d..220447b6 100644
--- a/src/Plivo/Version.php
+++ b/src/Plivo/Version.php
@@ -25,7 +25,7 @@ class Version
     /**
      * @const int PHP helper library patch number
      */
-    const PATCH = 0;
+    const PATCH = 1;
     /**
      * @return string
      */