diff --git a/bulletproofs/Cargo.toml b/bulletproofs/Cargo.toml
index 3982844..4b8da00 100644
--- a/bulletproofs/Cargo.toml
+++ b/bulletproofs/Cargo.toml
@@ -50,7 +50,7 @@ version =  '0.4.0'
 default-features = false
 
 [dependencies.ark-ed25519]
-version =  '0.4.0'
+version =  '0.5.0'
 default-features = false
 
 [dev-dependencies]