diff --git a/Cargo.toml b/Cargo.toml
index 2367cda..e73d382 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -67,14 +67,14 @@ optional = true
 
 [dependencies.engine25519-as]
 git = "https://github.com/betrusted-io/engine25519-as.git"
-rev = "38ab5edca80917ed37158fb8d18f7656b3601eb9"
+rev = "d249c967556b02ab5439eacb5078fa00c60b93d6"
 default-features = false
 features = []
 optional = true
 
 [dev-dependencies.engine25519-as]
 git = "https://github.com/betrusted-io/engine25519-as.git"
-rev = "38ab5edca80917ed37158fb8d18f7656b3601eb9"
+rev = "d249c967556b02ab5439eacb5078fa00c60b93d6"
 
 [features]
 nightly = ["subtle/nightly"]