diff --git a/lib/Cargo.toml b/lib/Cargo.toml
index ad3f0777..d2a3f457 100644
--- a/lib/Cargo.toml
+++ b/lib/Cargo.toml
@@ -20,7 +20,7 @@ rand = "0.7"
 md-5 = "0.8"
 sha-1 = "0.8"
 sha2 = "0.8"
-digest = "0.8"
+digest = "0.9"
 regex = "1"
 oxilangtag = "0.1"
 oxiri = "0.1"