diff --git a/lib/java/build.properties b/lib/java/build.properties
index b3a4755..96cf8d3 100644
--- a/lib/java/build.properties
+++ b/lib/java/build.properties
@@ -24,8 +24,8 @@
 mvn.ant.task.version=2.1.3
 
 # Dependency versions
-httpclient.version=4.2.5
-httpcore.version=4.2.4
-slf4j.version=1.5.8
+httpclient.version=4.4.1
+httpcore.version=4.4.1
+slf4j.version=1.7.12
 servlet.version=2.5