diff --git a/cmd/bitrot.go b/cmd/bitrot.go
index 891583b8e..e90e80b3c 100644
--- a/cmd/bitrot.go
+++ b/cmd/bitrot.go
@@ -18,12 +18,12 @@ package cmd
 
 import (
 	"context"
-	"crypto/sha256"
 	"errors"
 	"hash"
 
 	"github.com/minio/highwayhash"
 	"github.com/minio/minio/cmd/logger"
+	"github.com/minio/sha256-simd"
 	"golang.org/x/crypto/blake2b"
 )
 
diff --git a/cmd/gateway/sia/gateway-sia.go b/cmd/gateway/sia/gateway-sia.go
index 5ce0a067c..f2d2f49dd 100644
--- a/cmd/gateway/sia/gateway-sia.go
+++ b/cmd/gateway/sia/gateway-sia.go
@@ -19,7 +19,6 @@ package sia
 import (
 	"bytes"
 	"context"
-	"crypto/sha256"
 	"encoding/hex"
 	"encoding/json"
 	"fmt"
@@ -40,6 +39,7 @@ import (
 	"github.com/minio/minio/cmd/logger"
 	"github.com/minio/minio/pkg/auth"
 	"github.com/minio/minio/pkg/hash"
+	"github.com/minio/sha256-simd"
 )
 
 const (