diff --git a/Cargo.lock b/Cargo.lock
index 78ff16fb..c5bd901e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -376,7 +376,7 @@ dependencies = [
  "digest",
  "elliptic-curve",
  "rfc6979",
- "serdect 0.3.0-rc.0",
+ "serdect",
  "signature",
  "spki",
 ]
@@ -407,7 +407,7 @@ dependencies = [
  "rand_core",
  "sec1",
  "serde_json",
- "serdect 0.3.0-rc.0",
+ "serdect",
  "subtle",
  "tap",
  "zeroize",
@@ -620,7 +620,7 @@ dependencies = [
  "once_cell",
  "proptest",
  "rand_core",
- "serdect 0.2.0",
+ "serdect",
  "sha2",
  "sha3",
  "signature",
@@ -753,7 +753,7 @@ dependencies = [
  "hex-literal",
  "primeorder",
  "sec1",
- "serdect 0.2.0",
+ "serdect",
 ]
 
 [[package]]
@@ -766,7 +766,7 @@ dependencies = [
  "hex-literal",
  "primeorder",
  "rand_core",
- "serdect 0.2.0",
+ "serdect",
  "sha2",
 ]
 
@@ -782,7 +782,7 @@ dependencies = [
  "primeorder",
  "proptest",
  "rand_core",
- "serdect 0.2.0",
+ "serdect",
  "sha2",
 ]
 
@@ -798,7 +798,7 @@ dependencies = [
  "primeorder",
  "proptest",
  "rand_core",
- "serdect 0.2.0",
+ "serdect",
  "sha2",
 ]
 
@@ -816,7 +816,7 @@ dependencies = [
  "primeorder",
  "proptest",
  "rand_core",
- "serdect 0.2.0",
+ "serdect",
  "sha2",
 ]
 
@@ -888,7 +888,7 @@ name = "primeorder"
 version = "0.14.0-pre.1"
 dependencies = [
  "elliptic-curve",
- "serdect 0.2.0",
+ "serdect",
 ]
 
 [[package]]
@@ -1113,7 +1113,7 @@ dependencies = [
  "der",
  "hybrid-array",
  "pkcs8",
- "serdect 0.3.0-rc.0",
+ "serdect",
  "subtle",
  "zeroize",
 ]
@@ -1150,16 +1150,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "serdect"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a84f14a19e9a014bb9f4512488d9829a68e04ecabffb0f9904cd1ace94598177"
-dependencies = [
- "base16ct",
- "serde",
-]
-
 [[package]]
 name = "serdect"
 version = "0.3.0-rc.0"
@@ -1211,7 +1201,7 @@ dependencies = [
  "proptest",
  "rand_core",
  "rfc6979",
- "serdect 0.2.0",
+ "serdect",
  "signature",
  "sm3",
 ]
diff --git a/k256/Cargo.toml b/k256/Cargo.toml
index 6774970f..cc6b9304 100644
--- a/k256/Cargo.toml
+++ b/k256/Cargo.toml
@@ -26,7 +26,7 @@ elliptic-curve = { version = "0.14.0-rc.0", default-features = false, features =
 once_cell = { version = "1.19", optional = true, default-features = false }
 ecdsa-core = { version = "=0.17.0-pre.9", 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 = "0.3.0-rc.0", optional = true, default-features = false }
 sha2 = { version = "=0.11.0-pre.4", optional = true, default-features = false }
 signature = { version = "=2.3.0-pre.4", optional = true }
 
diff --git a/p192/Cargo.toml b/p192/Cargo.toml
index e8019ea6..a2d69412 100644
--- a/p192/Cargo.toml
+++ b/p192/Cargo.toml
@@ -24,7 +24,7 @@ sec1 = { version = "0.8.0-rc.1", default-features = false }
 ecdsa-core = { version = "=0.17.0-pre.9", package = "ecdsa", optional = true, default-features = false, features = ["der"] }
 hex-literal = { version = "0.4", optional = true }
 primeorder = { version = "=0.14.0-pre.1", optional = true, path = "../primeorder" }
-serdect = { version = "0.2", optional = true, default-features = false }
+serdect = { version = "0.3.0-rc.0", optional = true, default-features = false }
 
 [dev-dependencies]
 ecdsa-core = { version = "=0.17.0-pre.9", package = "ecdsa", default-features = false, features = ["dev"] }
diff --git a/p224/Cargo.toml b/p224/Cargo.toml
index 5f0f2f9d..e4d829eb 100644
--- a/p224/Cargo.toml
+++ b/p224/Cargo.toml
@@ -23,7 +23,7 @@ elliptic-curve = { version = "0.14.0-rc.0", default-features = false, features =
 ecdsa-core = { version = "=0.17.0-pre.9", package = "ecdsa", optional = true, default-features = false, features = ["der"] }
 hex-literal = { version = "0.4", optional = true }
 primeorder = { version = "=0.14.0-pre.1", optional = true, path = "../primeorder" }
-serdect = { version = "0.2", optional = true, default-features = false }
+serdect = { version = "0.3.0-rc.0", optional = true, default-features = false }
 sha2 = { version = "=0.11.0-pre.4", optional = true, default-features = false }
 
 [dev-dependencies]
diff --git a/p256/Cargo.toml b/p256/Cargo.toml
index b701ef40..5564dfed 100644
--- a/p256/Cargo.toml
+++ b/p256/Cargo.toml
@@ -24,7 +24,7 @@ elliptic-curve = { version = "0.14.0-rc.0", default-features = false, features =
 ecdsa-core = { version = "=0.17.0-pre.9", package = "ecdsa", optional = true, default-features = false, features = ["der"] }
 hex-literal = { version = "0.4", optional = true }
 primeorder = { version = "=0.14.0-pre.1", optional = true, path = "../primeorder" }
-serdect = { version = "0.2", optional = true, default-features = false }
+serdect = { version = "0.3.0-rc.0", optional = true, default-features = false }
 sha2 = { version = "=0.11.0-pre.4", optional = true, default-features = false }
 
 [dev-dependencies]
diff --git a/p384/Cargo.toml b/p384/Cargo.toml
index 0265c659..c3b20fbd 100644
--- a/p384/Cargo.toml
+++ b/p384/Cargo.toml
@@ -24,7 +24,7 @@ elliptic-curve = { version = "0.14.0-rc.0", default-features = false, features =
 ecdsa-core = { version = "=0.17.0-pre.9", package = "ecdsa", optional = true, default-features = false, features = ["der"] }
 hex-literal = { version = "0.4", optional = true }
 primeorder = { version = "=0.14.0-pre.1", optional = true, path = "../primeorder" }
-serdect = { version = "0.2", optional = true, default-features = false }
+serdect = { version = "0.3.0-rc.0", optional = true, default-features = false }
 sha2 = { version = "=0.11.0-pre.4", optional = true, default-features = false }
 
 [dev-dependencies]
diff --git a/p521/Cargo.toml b/p521/Cargo.toml
index 76f2d49b..75105188 100644
--- a/p521/Cargo.toml
+++ b/p521/Cargo.toml
@@ -26,7 +26,7 @@ hex-literal = { version = "0.4", optional = true }
 primefield = { version = "=0.14.0-pre.0", optional = true, path = "../primefield" }
 primeorder = { version = "=0.14.0-pre.1", 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 = "0.3.0-rc.0", optional = true, default-features = false }
 sha2 = { version = "=0.11.0-pre.4", optional = true, default-features = false }
 
 [dev-dependencies]
diff --git a/primeorder/Cargo.toml b/primeorder/Cargo.toml
index 1c40f12b..b207583a 100644
--- a/primeorder/Cargo.toml
+++ b/primeorder/Cargo.toml
@@ -21,7 +21,7 @@ rust-version = "1.73"
 elliptic-curve = { version = "0.14.0-rc.0", default-features = false, features = ["arithmetic", "sec1"] }
 
 # optional dependencies
-serdect = { version = "0.2", optional = true, default-features = false }
+serdect = { version = "0.3.0-rc.0", optional = true, default-features = false }
 
 [features]
 alloc = ["elliptic-curve/alloc"]
diff --git a/sm2/Cargo.toml b/sm2/Cargo.toml
index b4ff287d..c11d6822 100644
--- a/sm2/Cargo.toml
+++ b/sm2/Cargo.toml
@@ -23,7 +23,7 @@ elliptic-curve = { version = "0.14.0-rc.0", default-features = false, features =
 # optional dependencies
 primeorder = { version = "=0.14.0-pre.1", optional = true, path = "../primeorder" }
 rfc6979 = { version = "=0.5.0-pre.4", optional = true }
-serdect = { version = "0.2", optional = true, default-features = false }
+serdect = { version = "0.3.0-rc.0", optional = true, default-features = false }
 signature = { version = "=2.3.0-pre.4", optional = true, features = ["rand_core"] }
 sm3 = { version = "=0.5.0-pre.4", optional = true, default-features = false }