diff --git a/rollup/internal/controller/watcher/batch_proposer.go b/rollup/internal/controller/watcher/batch_proposer.go
index 39e509027..f4a5a890b 100644
--- a/rollup/internal/controller/watcher/batch_proposer.go
+++ b/rollup/internal/controller/watcher/batch_proposer.go
@@ -248,7 +248,7 @@ func (p *BatchProposer) proposeBatch() error {
 		return fmt.Errorf("failed to retrieve codec for block number %v and time %v", firstUnbatchedChunk.StartBlockNumber, firstUnbatchedChunk.StartBlockTime)
 	}
 
-	if codec.Version() <= encoding.CodecV3 {
+	if codec.Version() < encoding.CodecV4 {
 		return fmt.Errorf("unsupported codec version: %v, expected at least %v", codec.Version(), encoding.CodecV4)
 	}
 
diff --git a/rollup/internal/controller/watcher/bundle_proposer.go b/rollup/internal/controller/watcher/bundle_proposer.go
index 5430a86e9..a71b0d998 100644
--- a/rollup/internal/controller/watcher/bundle_proposer.go
+++ b/rollup/internal/controller/watcher/bundle_proposer.go
@@ -155,7 +155,7 @@ func (p *BundleProposer) proposeBundle() error {
 	hardforkName := encoding.GetHardforkName(p.chainCfg, firstChunk.StartBlockNumber, firstChunk.StartBlockTime)
 	codecVersion := encoding.CodecVersion(batches[0].CodecVersion)
 
-	if codecVersion <= encoding.CodecV3 {
+	if codecVersion < encoding.CodecV4 {
 		return fmt.Errorf("unsupported codec version: %v, expected at least %v", codecVersion, encoding.CodecV4)
 	}
 
diff --git a/rollup/internal/controller/watcher/chunk_proposer.go b/rollup/internal/controller/watcher/chunk_proposer.go
index 5a6166114..8a9d0249d 100644
--- a/rollup/internal/controller/watcher/chunk_proposer.go
+++ b/rollup/internal/controller/watcher/chunk_proposer.go
@@ -277,7 +277,7 @@ func (p *ChunkProposer) proposeChunk() error {
 
 	codecVersion := encoding.GetCodecVersion(p.chainCfg, blocks[0].Header.Number.Uint64(), blocks[0].Header.Time)
 
-	if codecVersion <= encoding.CodecV3 {
+	if codecVersion < encoding.CodecV4 {
 		return fmt.Errorf("unsupported codec version: %v, expected at least %v", codecVersion, encoding.CodecV4)
 	}