diff --git a/Cargo.lock b/Cargo.lock
index 46c825b..37e7235 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -371,7 +371,7 @@ dependencies = [
  "digest",
  "elliptic-curve",
  "rfc6979",
- "serdect",
+ "serdect 0.2.0",
  "signature",
  "spki",
 ]
@@ -402,7 +402,7 @@ dependencies = [
  "rand_core",
  "sec1",
  "serde_json",
- "serdect",
+ "serdect 0.2.0",
  "subtle",
  "tap",
  "zeroize",
@@ -615,7 +615,7 @@ dependencies = [
  "once_cell",
  "proptest",
  "rand_core",
- "serdect",
+ "serdect 0.3.0",
  "sha2",
  "sha3",
  "signature",
@@ -744,7 +744,7 @@ dependencies = [
  "hex-literal",
  "primeorder",
  "sec1",
- "serdect",
+ "serdect 0.3.0",
 ]
 
 [[package]]
@@ -757,7 +757,7 @@ dependencies = [
  "hex-literal",
  "primeorder",
  "rand_core",
- "serdect",
+ "serdect 0.3.0",
  "sha2",
 ]
 
@@ -773,7 +773,7 @@ dependencies = [
  "primeorder",
  "proptest",
  "rand_core",
- "serdect",
+ "serdect 0.3.0",
  "sha2",
 ]
 
@@ -789,7 +789,7 @@ dependencies = [
  "primeorder",
  "proptest",
  "rand_core",
- "serdect",
+ "serdect 0.3.0",
  "sha2",
 ]
 
@@ -805,7 +805,7 @@ dependencies = [
  "primeorder",
  "proptest",
  "rand_core",
- "serdect",
+ "serdect 0.3.0",
  "sha2",
 ]
 
@@ -873,14 +873,14 @@ name = "primeorder"
 version = "0.13.6"
 dependencies = [
  "elliptic-curve",
- "serdect",
+ "serdect 0.3.0",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.51"
+version = "1.0.97"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d727cae5b39d21da60fa540906919ad737832fe0b1c165da3a34d6548c849d6"
+checksum = "d61789d7719defeb74ea5fe81f2fdfdbd28a803847077cecce2ff14e1472f6f1"
 dependencies = [
  "unicode-ident",
 ]
@@ -913,9 +913,9 @@ checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
 
 [[package]]
 name = "quote"
-version = "1.0.23"
+version = "1.0.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8856d8364d252a14d474036ea1358d63c9e6965c8e5c1885c18f73d70bff9c7b"
+checksum = "1885c039570dc00dcb4ff087a89e185fd56bae234ddc7f056a945bf36467248d"
 dependencies = [
  "proc-macro2",
 ]
@@ -1098,29 +1098,29 @@ dependencies = [
  "der",
  "generic-array",
  "pkcs8",
- "serdect",
+ "serdect 0.2.0",
  "subtle",
  "zeroize",
 ]
 
 [[package]]
 name = "serde"
-version = "1.0.152"
+version = "1.0.219"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb7d1f0d3021d347a83e556fc4683dea2ea09d87bccdf88ff5c12545d89d5efb"
+checksum = "5f0e2c6ed6606019b4e29e69dbaba95b11854410e5347d525002456dbbb786b6"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.152"
+version = "1.0.219"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af487d118eecd09402d70a5d72551860e788df87b464af30e5ea6a38c75c541e"
+checksum = "5b0276cf7f2c73365f7157c8123c21cd9a50fbbd844757af28ca1f5925fc2a00"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.105",
 ]
 
 [[package]]
@@ -1144,6 +1144,16 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serdect"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f42f67da2385b51a5f9652db9c93d78aeaf7610bf5ec366080b6de810604af53"
+dependencies = [
+ "base16ct",
+ "serde",
+]
+
 [[package]]
 name = "sha2"
 version = "0.10.9"
@@ -1185,7 +1195,7 @@ dependencies = [
  "proptest",
  "rand_core",
  "rfc6979",
- "serdect",
+ "serdect 0.3.0",
  "signature",
  "sm3",
 ]
@@ -1226,6 +1236,17 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "syn"
+version = "2.0.105"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7bc3fcb250e53458e712715cf74285c1f889686520d79294a9ef3bd7aa1fc619"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
 [[package]]
 name = "tap"
 version = "1.0.1"
@@ -1326,7 +1347,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.109",
  "wasm-bindgen-shared",
 ]
 
@@ -1348,7 +1369,7 @@ checksum = "2aff81306fcac3c7515ad4e177f521b5c9a15f2b08f4e32d823066102f35a5f6"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.109",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
diff --git a/k256/Cargo.toml b/k256/Cargo.toml
index c300105..dc34d3a 100644
--- a/k256/Cargo.toml
+++ b/k256/Cargo.toml
@@ -25,7 +25,7 @@ elliptic-curve = { version = "0.13.8", default-features = false, features = ["ha
 once_cell = { version = "1.19", optional = true, default-features = false }
 ecdsa-core = { version = "0.16.8", package = "ecdsa", optional = true, default-features = false, features = ["der"] }
 hex-literal = { version = "0.4", optional = true }
-serdect = { version = "0.2", optional = true, default-features = false }
+serdect = { version = "0.3", optional = true, default-features = false }
 sha2 = { version = "0.10.9", optional = true, default-features = false }
 signature = { version = "2", optional = true }
 
diff --git a/p192/Cargo.toml b/p192/Cargo.toml
index 1060f6b..57bbfb8 100644
--- a/p192/Cargo.toml
+++ b/p192/Cargo.toml
@@ -23,7 +23,7 @@ sec1 = { version = "0.7.3", default-features = false }
 ecdsa-core = { version = "0.16.6", package = "ecdsa", optional = true, default-features = false, features = ["der"] }
 hex-literal = { version = "0.4", optional = true }
 primeorder = { version = "0.13.5", optional = true, path = "../primeorder" }
-serdect = { version = "0.2", optional = true, default-features = false }
+serdect = { version = "0.3", optional = true, default-features = false }
 
 [dev-dependencies]
 ecdsa-core = { version = "0.16", package = "ecdsa", default-features = false, features = ["dev"] }
diff --git a/p224/Cargo.toml b/p224/Cargo.toml
index 9762e5b..c5744f5 100644
--- a/p224/Cargo.toml
+++ b/p224/Cargo.toml
@@ -22,7 +22,7 @@ elliptic-curve = { version = "0.13.8", default-features = false, features = ["ha
 ecdsa-core = { version = "0.16.6", package = "ecdsa", optional = true, default-features = false, features = ["der"] }
 hex-literal = { version = "0.4", optional = true }
 primeorder = { version = "0.13.5", optional = true, path = "../primeorder" }
-serdect = { version = "0.2", optional = true, default-features = false }
+serdect = { version = "0.3", optional = true, default-features = false }
 sha2 = { version = "0.10", optional = true, default-features = false }
 
 [dev-dependencies]
diff --git a/p256/Cargo.toml b/p256/Cargo.toml
index bdf7f4b..9733536 100644
--- a/p256/Cargo.toml
+++ b/p256/Cargo.toml
@@ -23,7 +23,7 @@ elliptic-curve = { version = "0.13.8", default-features = false, features = ["ha
 ecdsa-core = { version = "0.16", package = "ecdsa", optional = true, default-features = false, features = ["der"] }
 hex-literal = { version = "0.4", optional = true }
 primeorder = { version = "0.13", optional = true, path = "../primeorder" }
-serdect = { version = "0.2", optional = true, default-features = false }
+serdect = { version = "0.3", optional = true, default-features = false }
 sha2 = { version = "0.10.9", optional = true, default-features = false }
 
 [dev-dependencies]
diff --git a/p384/Cargo.toml b/p384/Cargo.toml
index a39ae32..6efb5c4 100644
--- a/p384/Cargo.toml
+++ b/p384/Cargo.toml
@@ -23,7 +23,7 @@ elliptic-curve = { version = "0.13", default-features = false, features = ["hazm
 ecdsa-core = { version = "0.16", package = "ecdsa", optional = true, default-features = false, features = ["der"] }
 hex-literal = { version = "0.4", optional = true }
 primeorder = { version = "0.13.1", optional = true, path = "../primeorder" }
-serdect = { version = "0.2", optional = true, default-features = false }
+serdect = { version = "0.3", optional = true, default-features = false }
 sha2 = { version = "0.10", optional = true, default-features = false }
 
 [dev-dependencies]
diff --git a/p521/Cargo.toml b/p521/Cargo.toml
index 8aee7bf..f36d7d2 100644
--- a/p521/Cargo.toml
+++ b/p521/Cargo.toml
@@ -24,7 +24,7 @@ ecdsa-core = { version = "0.16.5", package = "ecdsa", optional = true, default-f
 hex-literal = { version = "0.4", optional = true }
 primeorder = { version = "0.13.5", optional = true, path = "../primeorder" }
 rand_core = { version = "0.6", optional = true, default-features = false }
-serdect = { version = "0.2", optional = true, default-features = false }
+serdect = { version = "0.3", optional = true, default-features = false }
 sha2 = { version = "0.10", optional = true, default-features = false }
 
 [dev-dependencies]
diff --git a/primeorder/Cargo.toml b/primeorder/Cargo.toml
index 3f2f3cf..8e2b3b6 100644
--- a/primeorder/Cargo.toml
+++ b/primeorder/Cargo.toml
@@ -20,7 +20,7 @@ rust-version = "1.65"
 elliptic-curve = { version = "0.13.8", default-features = false, features = ["arithmetic", "sec1"] }
 
 # optional dependencies
-serdect = { version = "0.2", optional = true, default-features = false }
+serdect = { version = "0.3", optional = true, default-features = false }
 
 [features]
 alloc = ["elliptic-curve/alloc"]
diff --git a/sm2/Cargo.toml b/sm2/Cargo.toml
index 2847f36..db66198 100644
--- a/sm2/Cargo.toml
+++ b/sm2/Cargo.toml
@@ -22,7 +22,7 @@ elliptic-curve = { version = "0.13", default-features = false, features = ["hazm
 # optional dependencies
 primeorder = { version = "0.13.1", optional = true, path = "../primeorder" }
 rfc6979 = { version = "0.4", optional = true }
-serdect = { version = "0.2", optional = true, default-features = false }
+serdect = { version = "0.3", optional = true, default-features = false }
 signature = { version = "2.2", optional = true, features = ["rand_core"] }
 sm3 = { version = "0.4", optional = true, default-features = false }