diff --git a/relayer/relays/beefy/ethereum-writer.go b/relayer/relays/beefy/ethereum-writer.go
index f9d88c3572..4d953271bd 100644
--- a/relayer/relays/beefy/ethereum-writer.go
+++ b/relayer/relays/beefy/ethereum-writer.go
@@ -89,9 +89,13 @@ func (wr *EthereumWriter) submit(ctx context.Context, task Request) error {
 		return err
 	}
 	if uint32(latestBeefyBlock) >= task.SignedCommitment.Commitment.BlockNumber {
+		log.WithFields(logrus.Fields{
+			"blockNumber":    task.SignedCommitment.Commitment.BlockNumber,
+			"IsHandover":     task.IsHandover,
+			"ValidatorSetID": task.SignedCommitment.Commitment.ValidatorSetID,
+		}).Warn("Ignore outdated commitment")
 		return nil
 	}
-
 	currentValidatorSet, err := wr.contract.CurrentValidatorSet(&callOpts)
 	if err != nil {
 		return err
@@ -103,6 +107,13 @@ func (wr *EthereumWriter) submit(ctx context.Context, task Request) error {
 	task.ValidatorsRoot = currentValidatorSet.Root
 	if task.IsHandover {
 		task.ValidatorsRoot = nextValidatorSet.Root
+		if task.nextAuthoritiesRoot == task.ValidatorsRoot {
+			log.WithFields(logrus.Fields{
+				"blockNumber":    task.SignedCommitment.Commitment.BlockNumber,
+				"ValidatorSetID": task.SignedCommitment.Commitment.ValidatorSetID,
+			}).Warn("Ignore mandatory commitment authorities not change")
+			return nil
+		}
 	}
 
 	// Initial submission
diff --git a/relayer/relays/beefy/polkadot-listener.go b/relayer/relays/beefy/polkadot-listener.go
index da2c491e28..c49aaefebf 100644
--- a/relayer/relays/beefy/polkadot-listener.go
+++ b/relayer/relays/beefy/polkadot-listener.go
@@ -118,6 +118,7 @@ func (li *PolkadotListener) scanCommitments(
 					continue
 				}
 				task.IsHandover = true
+				task.nextAuthoritiesRoot = nextAuthoritySet.Root
 				select {
 				case <-ctx.Done():
 					return ctx.Err()
diff --git a/relayer/relays/beefy/task.go b/relayer/relays/beefy/task.go
index 7bd8733c55..7fdbff2e4f 100644
--- a/relayer/relays/beefy/task.go
+++ b/relayer/relays/beefy/task.go
@@ -7,9 +7,10 @@ import (
 )
 
 type Request struct {
-	Validators       []substrate.Authority
-	ValidatorsRoot   [32]byte
-	SignedCommitment types.SignedCommitment
-	Proof            merkle.SimplifiedMMRProof
-	IsHandover       bool
+	Validators          []substrate.Authority
+	ValidatorsRoot      [32]byte
+	nextAuthoritiesRoot [32]byte
+	SignedCommitment    types.SignedCommitment
+	Proof               merkle.SimplifiedMMRProof
+	IsHandover          bool
 }