diff --git a/gradle.properties b/gradle.properties
index eaf1df9..211aa21 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,6 +1,6 @@
 group = org.xbib
 name = elx
-version = 2.2.1.27
+version = 2.2.1.28
 
 gradle.wrapper.version = 6.6.1
 xbib-metrics.version = 2.1.0