diff --git a/Cargo.lock b/Cargo.lock
index d3b4b98..8bfc23d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -204,7 +204,7 @@ dependencies = [
  "agave-precompiles",
  "bincode",
  "bytemuck",
- "ed25519-dalek 1.0.1",
+ "ed25519-dalek",
  "hex",
  "libsecp256k1",
  "openssl",
@@ -2231,19 +2231,6 @@ dependencies = [
  "cmov",
 ]
 
-[[package]]
-name = "curve25519-dalek"
-version = "3.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b9fdf9972b2bd6af2d913799d9ebc165ea4d2e65878e329d9c6b372c4491b61"
-dependencies = [
- "byteorder",
- "digest 0.9.0",
- "rand_core 0.5.1",
- "subtle",
- "zeroize",
-]
-
 [[package]]
 name = "curve25519-dalek"
 version = "4.1.3"
@@ -2569,19 +2556,10 @@ dependencies = [
  "digest 0.10.7",
  "elliptic-curve",
  "rfc6979",
- "signature 2.2.0",
+ "signature",
  "spki",
 ]
 
-[[package]]
-name = "ed25519"
-version = "1.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4620d40f6d2601794401d6dd95a5cf69b6c157852539470eeda433a99b3c0efc"
-dependencies = [
- "signature 1.4.0",
-]
-
 [[package]]
 name = "ed25519"
 version = "2.2.3"
@@ -2589,21 +2567,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "115531babc129696a58c64a4fef0a8bf9e9698629fb97e9e40767d235cfbcd53"
 dependencies = [
  "pkcs8",
- "signature 2.2.0",
-]
-
-[[package]]
-name = "ed25519-dalek"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c762bae6dcaf24c4c84667b8579785430908723d5c889f469d76a41d59cc7a9d"
-dependencies = [
- "curve25519-dalek 3.2.0",
- "ed25519 1.2.0",
- "rand 0.7.3",
- "serde",
- "sha2 0.9.9",
- "zeroize",
+ "signature",
 ]
 
 [[package]]
@@ -2612,8 +2576,8 @@ version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "70e796c081cee67dc755e1a36a0a172b897fab85fc3f6bc48307991f64e4eca9"
 dependencies = [
- "curve25519-dalek 4.1.3",
- "ed25519 2.2.3",
+ "curve25519-dalek",
+ "ed25519",
  "rand_core 0.6.4",
  "serde",
  "sha2 0.10.9",
@@ -2628,7 +2592,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6b49a684b133c4980d7ee783936af771516011c8cd15f429dbda77245e282f03"
 dependencies = [
  "derivation-path",
- "ed25519-dalek 2.2.0",
+ "ed25519-dalek",
  "hmac 0.12.1",
  "sha2 0.10.9",
 ]
@@ -4195,7 +4159,7 @@ dependencies = [
  "elliptic-curve",
  "once_cell",
  "sha2 0.10.9",
- "signature 2.2.0",
+ "signature",
 ]
 
 [[package]]
@@ -6586,12 +6550,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "signature"
-version = "1.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02658e48d89f2bec991f9a78e69cfa4c316f8d6a6c4ec12fae1aeb263d486788"
-
 [[package]]
 name = "signature"
 version = "2.2.0"
@@ -6951,7 +6909,7 @@ dependencies = [
  "borsh",
  "bytemuck",
  "bytemuck_derive",
- "curve25519-dalek 4.1.3",
+ "curve25519-dalek",
  "five8",
  "five8_const",
  "rand 0.9.4",
@@ -7968,7 +7926,7 @@ checksum = "a2cb3f53e40375fba75e908295c7723d16dad3fb54384140366fade2c7ef37bb"
 dependencies = [
  "bytemuck",
  "bytemuck_derive",
- "curve25519-dalek 4.1.3",
+ "curve25519-dalek",
  "solana-define-syscall 3.0.0",
  "subtle",
  "thiserror 2.0.18",
@@ -7982,7 +7940,7 @@ checksum = "14b4d2a4bf0d0b0a86c22111917e86e8bd39a7b31420fb2c7d73eb83761fc7af"
 dependencies = [
  "bytemuck",
  "bytemuck_derive",
- "curve25519-dalek 4.1.3",
+ "curve25519-dalek",
  "solana-define-syscall 5.1.0",
  "subtle",
  "thiserror 2.0.18",
@@ -8683,7 +8641,7 @@ version = "3.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "263d614c12aa267a3278703175fd6440552ca61bc960b5a02a4482720c53438b"
 dependencies = [
- "ed25519-dalek 2.2.0",
+ "ed25519-dalek",
  "ed25519-dalek-bip32",
  "five8",
  "five8_core",
@@ -10316,7 +10274,7 @@ version = "3.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b0364c7577c3c82a693ce28a1febc8d1b5d1b0a175fdc2114ae6186b69effe1e"
 dependencies = [
- "ed25519-dalek 2.2.0",
+ "ed25519-dalek",
  "five8",
  "rand 0.9.4",
  "serde",
@@ -11482,7 +11440,7 @@ version = "4.2.0-alpha.0"
 dependencies = [
  "bytemuck",
  "criterion",
- "curve25519-dalek 4.1.3",
+ "curve25519-dalek",
  "solana-instruction",
  "solana-program-runtime",
  "solana-sdk-ids",
@@ -11520,7 +11478,7 @@ dependencies = [
  "bincode",
  "bytemuck",
  "bytemuck_derive",
- "curve25519-dalek 4.1.3",
+ "curve25519-dalek",
  "getrandom 0.2.15",
  "itertools 0.12.1",
  "js-sys",
@@ -11557,7 +11515,7 @@ dependencies = [
  "bincode",
  "bytemuck",
  "bytemuck_derive",
- "curve25519-dalek 4.1.3",
+ "curve25519-dalek",
  "itertools 0.14.0",
  "merlin",
  "num-derive",
@@ -11744,7 +11702,7 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f63a2b41095945dc15274b924b21ccae9b3ec9dc2fdd43dbc08de8c33bbcd915"
 dependencies = [
- "curve25519-dalek 4.1.3",
+ "curve25519-dalek",
  "solana-zk-sdk 4.0.0",
  "thiserror 2.0.18",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 2044681..1289819 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -237,7 +237,7 @@ digest = "0.10.7"
 dirs-next = "2.0.0"
 dyn-clone = "1.0.20"
 eager = "0.1.0"
-ed25519-dalek = "=1.0.1"
+ed25519-dalek = "=2.2.0"
 enum-iterator = "2.3.0"
 env_logger = "0.11.10"
 fast-math = "0.1"