diff --git a/build.gradle b/build.gradle
index 86200f71a..dc8f2e8a2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -46,7 +46,7 @@ allprojects {
     antVersion = '1.9.7'
     pxfVersion = '2.5.1.0'
     osgiVersion = '6.0.0'
-    jettyVersion = '9.2.22.v20170606'
+    jettyVersion = '9.3.20.v20170531'
     hadoopVersion = '2.7.3'
     protobufVersion = '2.6.1'
     kryoVersion = '4.0.1'
@@ -61,7 +61,7 @@ allprojects {
     hadoopJettyVersion = '6.1.26'
     sunJerseyVersion = '1.19.4'
     guavaVersion = '14.0.1'
-    nettyAllVersion = '4.0.51.Final'
+    nettyAllVersion = '4.1.17.Final'
     jlineVersion = '2.14.5'
     jackson1Version = '1.9.13'
     kolobokeVersion = '1.0.0'