diff --git a/Cargo.toml b/Cargo.toml
index 3ed42e74..bdc66781 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,7 +24,7 @@ testnet-integration = []
 soroban-sdk = "26.1.0"
 sha2 = "0.11"
 hex = "0.4"
-ed25519-dalek = { version = "2", default-features = false }
+ed25519-dalek = { version = "3", default-features = false }
 serde = { version = "1.0", features = ["derive"], optional = true }
 serde_json = { version = "1.0", optional = true }
 toml = { version = "1.1", optional = true }