diff --git a/CHANGELOG.md b/CHANGELOG.md
index df163276..fab8301d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [3.1.46] - 2022-08-01
+
 ### Fixed
 - Fixed problems with smarty_mb_str_replace [#549](https://github.com/smarty-php/smarty/issues/549)
 - Fixed second parameter of unescape modifier not working [#777](https://github.com/smarty-php/smarty/issues/777)
diff --git a/libs/Smarty.class.php b/libs/Smarty.class.php
index 65949fd0..77eb28e7 100644
--- a/libs/Smarty.class.php
+++ b/libs/Smarty.class.php
@@ -111,7 +111,7 @@ class Smarty extends Smarty_Internal_TemplateBase
     /**
      * smarty version
      */
-    const SMARTY_VERSION = '3.1.45';
+    const SMARTY_VERSION = '3.1.46';
     /**
      * define variable scopes
      */