diff --git a/Cargo.lock b/Cargo.lock
index bbbbc99..2362316 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -166,15 +166,16 @@ dependencies = [
 
 [[package]]
 name = "ed25519-dalek"
-version = "2.0.0"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7277392b266383ef8396db7fdeb1e77b6c52fed775f5df15bb24f35b72156980"
+checksum = "1f628eaec48bfd21b865dc2950cfa014450c01d2fa2b69a86c2fd5844ec523c0"
 dependencies = [
  "curve25519-dalek",
  "ed25519",
  "rand_core",
  "serde",
  "sha2",
+ "subtle",
  "zeroize",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index f82c1d8..baa9924 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2021"
 
 [dependencies]
 base64 = "0.21"
-ed25519-dalek = { version = "2.0", features = ["rand_core"] }
+ed25519-dalek = { version = "2.1", features = ["rand_core"] }
 prost = "0.12"
 qrcode = { version = "0.12", default-features = false }
 rand = "0.8"