diff --git a/protocols/v2/roles-logic-sv2/src/utils.rs b/protocols/v2/roles-logic-sv2/src/utils.rs
index c95ff0af5b..ba2a9aa1c5 100644
--- a/protocols/v2/roles-logic-sv2/src/utils.rs
+++ b/protocols/v2/roles-logic-sv2/src/utils.rs
@@ -785,7 +785,7 @@ impl<'a> From<BlockCreator<'a>> for bitcoin::Block {
 
         let prev_blockhash = u256_to_block_hash(message.prev_hash.into_static());
         let header = stratum_common::bitcoin::blockdata::block::BlockHeader {
-            version: last_declare.version as i32,
+            version: message.version as i32,
             prev_blockhash,
             merkle_root,
             time: message.ntime,
diff --git a/protocols/v2/subprotocols/job-declaration/src/submit_solution.rs b/protocols/v2/subprotocols/job-declaration/src/submit_solution.rs
index 53bdc65f76..4b7c30e4ca 100644
--- a/protocols/v2/subprotocols/job-declaration/src/submit_solution.rs
+++ b/protocols/v2/subprotocols/job-declaration/src/submit_solution.rs
@@ -17,6 +17,7 @@ pub struct SubmitSolutionJd<'decoder> {
     pub ntime: u32,
     pub nonce: u32,
     pub nbits: u32,
+    pub version: u32,
 }
 
 #[cfg(feature = "with_serde")]
diff --git a/roles/jd-client/src/lib/job_declarator/mod.rs b/roles/jd-client/src/lib/job_declarator/mod.rs
index 84154aae4f..156c909b29 100644
--- a/roles/jd-client/src/lib/job_declarator/mod.rs
+++ b/roles/jd-client/src/lib/job_declarator/mod.rs
@@ -422,6 +422,7 @@ impl JobDeclarator {
             ntime: solution.ntime,
             nonce: solution.nonce,
             nbits: prev_hash.n_bits,
+            version: solution.version,
         };
         let frame: StdFrame =
             PoolMessages::JobDeclaration(JobDeclaration::SubmitSolution(solution))