diff --git a/Changes b/Changes
index b996114..a5624f6 100644
--- a/Changes
+++ b/Changes
@@ -1,9 +1,10 @@
+2.3.1 2022-01-14 Release
         - Improve script handling of broken data
         - Improve handling of unknown header types
         - Check for valid sigles to avoid broken directories
         - Introduce exclusivity for inline tokens handling.
         - Use single dash for STDIN.
-        - Update KorAP-Tokenizer to v2.2.2 (single quote bug fix)
+        - Update KorAP-Tokenizer to v2.2.2 (single quote, "du." bug fixes)
 
 2.2.0 2021-08-26 Release
         - Remove unnecessary branch in recursive call
diff --git a/script/tei2korapxml b/script/tei2korapxml
index e7ffd17..7838bab 100755
--- a/script/tei2korapxml
+++ b/script/tei2korapxml
@@ -29,7 +29,7 @@
   1;
 };
 
-our $VERSION = '2.3.0';
+our $VERSION = '2.3.1';
 
 our $VERSION_MSG = "\ntei2korapxml - v$VERSION\n";