diff --git a/Cargo.lock b/Cargo.lock
index 149db71..5c797c5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1089,6 +1089,22 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "curve25519-dalek"
+version = "5.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b5eed333089e2e1c1ac8c6c0398e5e2497b4c9926ca6d0365ed1e099afa5bc23"
+dependencies = [
+ "cfg-if",
+ "cpufeatures 0.3.0",
+ "curve25519-dalek-derive",
+ "digest 0.11.3",
+ "fiat-crypto 0.3.0",
+ "rustc_version",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "curve25519-dalek-derive"
 version = "0.1.1"
@@ -1310,20 +1326,42 @@ dependencies = [
  "signature 2.2.0",
 ]
 
+[[package]]
+name = "ed25519"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "29fcf32e6c73d1079f83ab4d782de2d81620346a5f38c6237a86a22f8368980a"
+dependencies = [
+ "signature 3.0.0",
+]
+
 [[package]]
 name = "ed25519-dalek"
 version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "70e796c081cee67dc755e1a36a0a172b897fab85fc3f6bc48307991f64e4eca9"
 dependencies = [
- "curve25519-dalek",
- "ed25519",
+ "curve25519-dalek 4.1.3",
+ "ed25519 2.2.3",
  "serde",
  "sha2 0.10.9",
  "subtle",
  "zeroize",
 ]
 
+[[package]]
+name = "ed25519-dalek"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ebaa1a2bf1290ab3bfe5a7b771d050ebffab2711c19a81691c683a5144a25de"
+dependencies = [
+ "curve25519-dalek 5.0.0",
+ "ed25519 3.0.0",
+ "sha2 0.11.0",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "ed448-goldilocks"
 version = "0.7.2"
@@ -1433,6 +1471,12 @@ version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "28dea519a9695b9977216879a3ebfddf92f1c08c05d984f8996aecd6ecdc811d"
 
+[[package]]
+name = "fiat-crypto"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "64cd1e32ddd350061ae6edb1b082d7c54915b5c672c389143b9a63403a109f24"
+
 [[package]]
 name = "filedescriptor"
 version = "0.8.3"
@@ -2503,7 +2547,7 @@ dependencies = [
  "aes-gcm",
  "anyhow",
  "base64",
- "ed25519-dalek",
+ "ed25519-dalek 3.0.0",
  "hex",
  "hkdf 0.12.4",
  "iota-logger",
@@ -3023,7 +3067,7 @@ source = "git+https://git.methanium.net/Methanium/mtp.git#a692bed326dbfc8eac1a05
 dependencies = [
  "base64",
  "chacha20poly1305",
- "ed25519-dalek",
+ "ed25519-dalek 2.2.0",
  "getrandom 0.4.3",
  "hkdf 0.13.0",
  "ml-dsa",
@@ -5940,7 +5984,7 @@ version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c7e468321c81fb07fa7f4c636c3972b9100f0346e5b6a9f2bd0603a52f7ed277"
 dependencies = [
- "curve25519-dalek",
+ "curve25519-dalek 4.1.3",
  "rand_core 0.6.4",
  "serde",
  "zeroize",
diff --git a/iota-updater/Cargo.toml b/iota-updater/Cargo.toml
index 2f6bf04..f330a26 100644
--- a/iota-updater/Cargo.toml
+++ b/iota-updater/Cargo.toml
@@ -30,5 +30,5 @@ serde = "1.0.228"
 tempfile = "3.27.0"
 anyhow = "1.0.102"
 semver = "1.0.28"
-ed25519-dalek = "2.2.0"
+ed25519-dalek = "3.0.0"
 serde_json = "1.0"