diff --git a/Cargo.lock b/Cargo.lock
index 14f4f51..518dcb8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -44,9 +44,9 @@ checksum = "0c4b4d0bd25bd0b74681c0ad21497610ce1b7c91b1022cd21c80c6fbdd9476b0"
 
 [[package]]
 name = "base16ct"
-version = "0.2.0"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c7f02d4ea65f2c1853089ffd8d2787bdbc63de2f0d29dedbcf8ccdfa0ccd4cf"
+checksum = "d8b59d472eab27ade8d770dcb11da7201c11234bef9f82ce7aa517be028d462b"
 
 [[package]]
 name = "base64ct"
@@ -620,9 +620,9 @@ dependencies = [
 
 [[package]]
 name = "serdect"
-version = "0.2.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a84f14a19e9a014bb9f4512488d9829a68e04ecabffb0f9904cd1ace94598177"
+checksum = "d3ef0e35b322ddfaecbc60f34ab448e157e48531288ee49fafbb053696b8ffe2"
 dependencies = [
  "base16ct",
  "serde",
diff --git a/Cargo.toml b/Cargo.toml
index dd466e2..8aa5817 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,7 +28,7 @@ zeroize = { version = "1.5", features = ["alloc"] }
 
 # optional dependencies
 sha1 = { version = "=0.11.0-pre.4", optional = true, default-features = false, features = ["oid"] }
-serdect = { version = "0.2.0", optional = true }
+serdect = { version = "0.4.1", optional = true }
 sha2 = { version = "=0.11.0-pre.4", optional = true, default-features = false, features = ["oid"] }
 serde = { version = "1.0.184", optional = true, default-features = false, features = ["derive"] }