diff --git a/gradle.properties b/gradle.properties
index 67e94f2..4b70d38 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,6 +1,6 @@
 group = org.xbib
 name = elx
-version = 2.2.1.14
+version = 2.2.1.15
 
 # main
 xbib-metrics.version = 2.0.0
@@ -8,7 +8,7 @@ xbib-metrics.version = 2.0.0
 xbib-guice.version = 4.4.2
 # guava 18 -> our guava 28.1
 xbib-guava.version = 28.1
-xbib-netty-http.version = 4.1.45.0
+xbib-netty-http.version = 4.1.48.0
 elasticsearch.version = 2.2.1
 #jackson 2.6.7 (original ES version) -> 2.9.10
 jackson.version = 2.9.10