diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9be718f..bd4926d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,7 @@
 ## [Unreleased]
+* no unreleased changes *
+
+## 11.3.1/ 2025-09-02
 ### Enhancement
 * Performance improvements for XML mask mappings
 
diff --git a/lib/ndr_import/version.rb b/lib/ndr_import/version.rb
index 72b58d3..215ee54 100644
--- a/lib/ndr_import/version.rb
+++ b/lib/ndr_import/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 # This stores the current version of the NdrImport gem
 module NdrImport
-  VERSION = '11.3.0'
+  VERSION = '11.3.1'
 end