diff --git a/Cargo.toml b/Cargo.toml
index a29b055..d21f611 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,7 +23,7 @@ version = "^0.11"
 default-features = false
 
 [dependencies.subtle]
-version = "^0.2"
+version = "^0.3"
 default-features = false
 
 [dependencies.rand]