diff --git a/protocols/Cargo.lock b/protocols/Cargo.lock
index fbe5ddceac..ba38358d69 100644
--- a/protocols/Cargo.lock
+++ b/protocols/Cargo.lock
@@ -716,7 +716,7 @@ dependencies = [
 
 [[package]]
 name = "serde_sv2"
-version = "1.0.0"
+version = "1.0.1"
 dependencies = [
  "buffer_sv2",
  "serde",
@@ -744,7 +744,7 @@ checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc"
 
 [[package]]
 name = "sv1_api"
-version = "1.0.0"
+version = "1.0.1"
 dependencies = [
  "binary_sv2",
  "bitcoin_hashes 0.3.2",
diff --git a/protocols/v2/binary-sv2/serde-sv2/Cargo.toml b/protocols/v2/binary-sv2/serde-sv2/Cargo.toml
index 5e01eb2d3c..fa313313f3 100644
--- a/protocols/v2/binary-sv2/serde-sv2/Cargo.toml
+++ b/protocols/v2/binary-sv2/serde-sv2/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "serde_sv2"
-version = "1.0.0"
+version = "1.0.1"
 authors = ["fi3 <email@email.org>"]
 edition = "2018"
 description = "Serlializer and Deserializer for Stratum V2 data format"
diff --git a/protocols/v2/binary-sv2/serde-sv2/src/primitives/sequences/seq0255.rs b/protocols/v2/binary-sv2/serde-sv2/src/primitives/sequences/seq0255.rs
index 2f01bce3ce..331edb34ed 100644
--- a/protocols/v2/binary-sv2/serde-sv2/src/primitives/sequences/seq0255.rs
+++ b/protocols/v2/binary-sv2/serde-sv2/src/primitives/sequences/seq0255.rs
@@ -259,6 +259,15 @@ impl<'a> From<Vec<u32>> for Seq0255<'a, u32> {
     }
 }
 
+impl<'a> From<Vec<U256<'a>>> for Seq0255<'a, U256<'a>> {
+    fn from(v: Vec<U256<'a>>) -> Self {
+        Seq0255 {
+            seq: None,
+            data: Some(v),
+        }
+    }
+}
+
 impl<'a> From<Seq0255<'a, u32>> for Vec<u32> {
     fn from(v: Seq0255<u32>) -> Self {
         if let Some(inner) = v.data {