diff --git a/gradle.properties b/gradle.properties
index ebaf8e9..dece40c 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -7,10 +7,10 @@ xbib-metrics.version = 2.1.0
 xbib-time.version = 2.1.0
 xbib-guice.version = 4.4.2
 xbib-guava.version = 28.1
-xbib-netty-http.version = 4.1.63.2
+xbib-netty-http.version = 4.1.63.4
 elasticsearch.version = 2.2.1
 jackson.version = 2.11.4
-jna.version = 5.5.0
-log4j.version = 2.13.3
+jna.version = 5.8.0
+log4j.version = 2.14.0
 mustache.version = 0.9.5
 jts.version = 1.13