diff --git a/build.xml b/build.xml
index 495d3d3a14..2d10819529 100644
--- a/build.xml
+++ b/build.xml
@@ -586,8 +586,8 @@
-
-
+
+
diff --git a/lib/licenses/netty-4.1.37.txt b/lib/licenses/netty-4.1.50.txt
similarity index 100%
rename from lib/licenses/netty-4.1.37.txt
rename to lib/licenses/netty-4.1.50.txt
diff --git a/lib/licenses/netty-tcnative-2.0.25.txt b/lib/licenses/netty-tcnative-2.0.31.txt
similarity index 100%
rename from lib/licenses/netty-tcnative-2.0.25.txt
rename to lib/licenses/netty-tcnative-2.0.31.txt
diff --git a/lib/netty-all-4.1.37.Final.jar b/lib/netty-all-4.1.50.Final.jar
similarity index 51%
rename from lib/netty-all-4.1.37.Final.jar
rename to lib/netty-all-4.1.50.Final.jar
index 93cff04768..f8b1557478 100644
Binary files a/lib/netty-all-4.1.37.Final.jar and b/lib/netty-all-4.1.50.Final.jar differ
diff --git a/lib/netty-tcnative-boringssl-static-2.0.25.Final.jar b/lib/netty-tcnative-boringssl-static-2.0.25.Final.jar
deleted file mode 100644
index 954627fb73..0000000000
Binary files a/lib/netty-tcnative-boringssl-static-2.0.25.Final.jar and /dev/null differ
diff --git a/lib/netty-tcnative-boringssl-static-2.0.31.Final.jar b/lib/netty-tcnative-boringssl-static-2.0.31.Final.jar
new file mode 100644
index 0000000000..582c582be9
Binary files /dev/null and b/lib/netty-tcnative-boringssl-static-2.0.31.Final.jar differ