diff --git a/unmaintained/stress_filer_upload/write_files/write_files.go b/unmaintained/stress_filer_upload/write_files/write_files.go
index 40c13d649..508e37d14 100644
--- a/unmaintained/stress_filer_upload/write_files/write_files.go
+++ b/unmaintained/stress_filer_upload/write_files/write_files.go
@@ -33,7 +33,7 @@ func main() {
 		f, err := os.Create(fmt.Sprintf("%s/file%05d", *toDir, i))
 		check(err)
 
-		fileSize := *minSize + rand.IntN(*maxSize-*minSize)
+		fileSize := *minSize + rand.Intn(*maxSize-*minSize)
 		startTime := time.Now()
 
 		fmt.Printf("write %s %d bytes: ", f.Name(), fileSize)
diff --git a/weed/filer/filechunks_test.go b/weed/filer/filechunks_test.go
index a99768d6e..4ae7d6133 100644
--- a/weed/filer/filechunks_test.go
+++ b/weed/filer/filechunks_test.go
@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"log"
 	"math"
-	"math/rand"
+	"math/rand/v2"
 	"strconv"
 	"testing"
 
diff --git a/weed/storage/volume_vacuum_test.go b/weed/storage/volume_vacuum_test.go
index 710e4a76a..797452bb3 100644
--- a/weed/storage/volume_vacuum_test.go
+++ b/weed/storage/volume_vacuum_test.go
@@ -157,7 +157,7 @@ func doSomeWritesDeletes(i int, v *Volume, t *testing.T, infos []*needleInfo) {
 	}
 	// println("written file", i, "checksum", n.Checksum.Value(), "size", size)
 	if rand.Float64() < 0.03 {
-		toBeDeleted := rand.IntN(i) + 1
+		toBeDeleted := rand.Intn(i) + 1
 		oldNeedle := newEmptyNeedle(uint64(toBeDeleted))
 		v.deleteNeedle2(oldNeedle)
 		// println("deleted file", toBeDeleted)
@@ -175,7 +175,7 @@ type needleInfo struct {
 
 func newRandomNeedle(id uint64) *needle.Needle {
 	n := new(needle.Needle)
-	n.Data = make([]byte, rand.IntN(1024))
+	n.Data = make([]byte, rand.Intn(1024))
 	rand.Read(n.Data)
 
 	n.Checksum = needle.NewCRC(n.Data)
diff --git a/weed/util/skiplist/skiplist_test.go b/weed/util/skiplist/skiplist_test.go
index dcd313ff4..c5116a49a 100644
--- a/weed/util/skiplist/skiplist_test.go
+++ b/weed/util/skiplist/skiplist_test.go
@@ -2,7 +2,7 @@ package skiplist
 
 import (
 	"bytes"
-	"math/rand"
+	"math/rand/v2"
 	"strconv"
 	"testing"
 )