diff --git a/Cargo.toml b/Cargo.toml
index b6b6511..5c90978 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ pretty_env_logger="0.3.0"
 byteorder = "1.2.7"
 fnv = "1.0.6"
 rand = "0.6.5"
-rand_hc = "0.1.0"
+rand_hc = "0.3.1"
 rand_core = "0.4.0"
 lru_time_cache = "0.9.0"
 structopt = "0.2.13"