diff --git a/params/version.go b/params/version.go
index b8f348c2aec7..7566ea31e6d7 100644
--- a/params/version.go
+++ b/params/version.go
@@ -24,7 +24,7 @@ import (
 const (
 	VersionMajor = 4         // Major version component of the current release
 	VersionMinor = 3         // Minor version component of the current release
-	VersionPatch = 44        // Patch version component of the current release
+	VersionPatch = 45        // Patch version component of the current release
 	VersionMeta  = "sepolia" // Version metadata to append to the version string
 )
 
diff --git a/rollup/circuitcapacitychecker/impl.go b/rollup/circuitcapacitychecker/impl.go
index ebc6c6330854..e55518a105cc 100644
--- a/rollup/circuitcapacitychecker/impl.go
+++ b/rollup/circuitcapacitychecker/impl.go
@@ -72,6 +72,9 @@ func (ccc *CircuitCapacityChecker) ApplyTransaction(traces *types.BlockTrace) (*
 
 	log.Debug("start to check circuit capacity for tx", "id", ccc.ID, "TxHash", traces.Transactions[0].TxHash)
 	rawResult := C.apply_tx(C.uint64_t(ccc.ID), tracesStr)
+	defer func() {
+		C.free(rawResult)
+	}()
 	log.Debug("check circuit capacity for tx done", "id", ccc.ID, "TxHash", traces.Transactions[0].TxHash)
 
 	result := &WrappedRowUsage{}
@@ -118,6 +121,9 @@ func (ccc *CircuitCapacityChecker) ApplyBlock(traces *types.BlockTrace) (*types.
 
 	log.Debug("start to check circuit capacity for block", "id", ccc.ID, "blockNumber", traces.Header.Number, "blockHash", traces.Header.Hash())
 	rawResult := C.apply_block(C.uint64_t(ccc.ID), tracesStr)
+	defer func() {
+		C.free(rawResult)
+	}()
 	log.Debug("check circuit capacity for block done", "id", ccc.ID, "blockNumber", traces.Header.Number, "blockHash", traces.Header.Hash())
 
 	result := &WrappedRowUsage{}