diff --git a/Cargo.lock b/Cargo.lock
index 1c80bd0f..90697fb3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -984,9 +984,9 @@ dependencies = [
 
 [[package]]
 name = "ed25519-dalek"
-version = "2.1.0"
+version = "2.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f628eaec48bfd21b865dc2950cfa014450c01d2fa2b69a86c2fd5844ec523c0"
+checksum = "4a3daa8e81a3963a60642bcc1f90a670680bd4a77535faa384e9d1c79d620871"
 dependencies = [
  "curve25519-dalek",
  "ed25519",
diff --git a/certifier/Cargo.toml b/certifier/Cargo.toml
index cb022a42..0f065982 100644
--- a/certifier/Cargo.toml
+++ b/certifier/Cargo.toml
@@ -14,7 +14,7 @@ tokio = { version = "1.0", features = [
 ] }
 post-rs = { path = "../" }
 serde_with = { version = "3.4.0", features = ["base64", "hex"] }
-ed25519-dalek = { version = "2.0.0", features = ["rand_core"] }
+ed25519-dalek = { version = "2.1.1", features = ["rand_core"] }
 clap = { version = "4.4.7", features = ["derive", "env"] }
 hex = "0.4.3"
 config = "0.14.0"