diff --git a/Cargo.toml b/Cargo.toml
index b3a19ba1..0954f7f6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,3 +24,4 @@ http = "0.1.13"
 hyper = "0.12.14"
 lazy_static = "1.1.0"
 regex = "1.0.6"
+rust-crypto = "0.2.36"