diff --git a/Cargo.toml b/Cargo.toml
index e1093280..69401831 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ base64 = "0.6.0"
 minidom = "0.4.1"
 jid = "0.2.1"
 sasl = "0.4.0"
-sha-1 = "0.3.3"
+sha-1 = "0.4"
 chrono = "0.3.1"
 
 [features]