diff --git a/gradle.properties b/gradle.properties
index e54a08b..a52e909 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,16 +1,15 @@
 group = org.xbib
 name = elx
-version = 2.2.1.20
+version = 2.2.1.21
 
 gradle.wrapper.version = 6.4.1
 xbib-metrics.version = 2.1.0
 xbib-guice.version = 4.4.2
 xbib-guava.version = 28.1
-xbib-netty-http.version = 4.1.50.0
+xbib-netty-http.version = 4.1.51.3
 elasticsearch.version = 2.2.1
-# jackson.version = 2.9.10
-jackson.version = 2.11.0
-jna.version = 4.5.2
+jackson.version = 2.11.1
+jna.version = 5.5.0
 log4j.version = 2.13.3
 mustache.version = 0.9.5
 jts.version = 1.13