diff --git a/Cargo.toml b/Cargo.toml
index 8b14d8f..126905f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ description = "Multi-threaded NTP server"
 license = "GPLv2+"
 
 [dependencies]
-byteorder = "1.0.0"
+byteorder = "1.2.0"
 getopts = "0.2.14"
 net2 = "0.2.29"
-rand = "0.3"
+rand = "0.6"