diff --git a/build.gradle b/build.gradle
index 2105d2f..72174cd 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@ plugins {
 }
 
 group 'org.citygml4j.tools'
-version '2.3.0'
+version '2.3.1'
 description 'Collection of tools for processing CityGML files'
 
 ext {