diff --git a/Cargo.lock b/Cargo.lock
index c03b3df..86df67e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -754,9 +754,9 @@ checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
 
 [[package]]
 name = "udigest"
-version = "0.2.2"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "81cd61fa9fb78569e9fe34acf0048fd8cb9ebdbacc47af740745487287043ff0"
+checksum = "445f57595f3695388dfe4809d30c5525a9a3f083fe7d02adf7b3ad1171f0a637"
 dependencies = [
  "digest",
  "udigest-derive",
@@ -764,9 +764,9 @@ dependencies = [
 
 [[package]]
 name = "udigest-derive"
-version = "0.3.1"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "603329303137e0d59238ee4d6b9c085eada8e2a9d20666f3abd9dadf8f8543f4"
+checksum = "01fef4db52ebb9b5c6c77dc28aa93efa020a51bf0300a42de26d60794354f091"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/examples/random-generation-protocol/Cargo.toml b/examples/random-generation-protocol/Cargo.toml
index 2fa50bd..0578748 100644
--- a/examples/random-generation-protocol/Cargo.toml
+++ b/examples/random-generation-protocol/Cargo.toml
@@ -18,7 +18,7 @@ thiserror = { version = "2", default-features = false }
 # We don't use it directy, but we need to enable `serde` feature
 generic-array = { version = "0.14", features = ["serde"] }
 
-udigest = { version = "0.2", default-features = false, features = ["derive"], optional = true }
+udigest = { version = "0.4", default-features = false, features = ["derive"], optional = true }
 
 [features]
 udigest = ["dep:udigest"]
diff --git a/round-based/Cargo.toml b/round-based/Cargo.toml
index 7ee4949..af291df 100644
--- a/round-based/Cargo.toml
+++ b/round-based/Cargo.toml
@@ -30,7 +30,7 @@ pin-project-lite = "0.2"
 
 # echo broadcast
 digest = { version = "0.10", default-features = false, optional = true }
-udigest = { version = "0.2", default-features = false, features = ["alloc", "digest", "inline-struct"], optional = true }
+udigest = { version = "0.4", default-features = false, features = ["alloc", "digest", "inline-struct"], optional = true }
 
 [dev-dependencies]
 trybuild = "1"