diff --git a/cmd/hive/cmd/admin.go b/cmd/hive/cmd/admin.go
index adf9b16ae..7415342a9 100644
--- a/cmd/hive/cmd/admin.go
+++ b/cmd/hive/cmd/admin.go
@@ -36,7 +36,7 @@ import (
 	"github.com/mulgadc/hive/hive/utils"
 	"github.com/mulgadc/viperblock/viperblock"
 	"github.com/mulgadc/viperblock/viperblock/backends/s3"
-	vutils "github.com/mulgadc/viperblock/viperblock/utils"
+	"github.com/mulgadc/viperblock/viperblock/v_utils"
 	"github.com/pelletier/go-toml/v2"
 	"github.com/pterm/pterm"
 	"github.com/spf13/cobra"
@@ -409,7 +409,7 @@ func runimagesImportCmd(cmd *cobra.Command, args []string) {
 		VolumeConfig: manifest,
 	}
 
-	err = vutils.ImportDiskImage(&s3Config, &vbConfig, extractedImagePath)
+	err = v_utils.ImportDiskImage(&s3Config, &vbConfig, extractedImagePath)
 
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "Could not import image to predastore: %v\n", err)
diff --git a/go.mod b/go.mod
index d6341c9cc..ee5126269 100644
--- a/go.mod
+++ b/go.mod
@@ -8,7 +8,7 @@ require (
 	github.com/google/uuid v1.6.0
 	github.com/kdomanski/iso9660 v0.4.0
 	github.com/mulgadc/predastore v0.1.5
-	github.com/mulgadc/viperblock v0.1.3
+	github.com/mulgadc/viperblock v0.1.4
 	github.com/nats-io/nats-server/v2 v2.11.6
 	github.com/nats-io/nats.go v1.43.0
 	github.com/pelletier/go-toml/v2 v2.2.4
diff --git a/go.sum b/go.sum
index eb12eb344..e7b383e78 100644
--- a/go.sum
+++ b/go.sum
@@ -128,6 +128,8 @@ github.com/mulgadc/predastore v0.1.5 h1:7SySkQQ5MQ1NTcKcB14pCUIJipq0YVgCJZeKM6yt
 github.com/mulgadc/predastore v0.1.5/go.mod h1:BhMymRV3zMTu2S+5pJnNDDm5+AGakjhSc/PKX0q8Xfg=
 github.com/mulgadc/viperblock v0.1.3 h1:xooK1uTUI0RLK23PHAuVInirC3TrBo6/6ezkt+1vMJo=
 github.com/mulgadc/viperblock v0.1.3/go.mod h1:eFolZVfX4iBFBnHAfOoYILfiIjNoI/NhmKht3OIPRR8=
+github.com/mulgadc/viperblock v0.1.4 h1:YnRHEC6XNbhnSk6S+ET3X7DTMRezdO3o1O3nO/R9Syg=
+github.com/mulgadc/viperblock v0.1.4/go.mod h1:JNooDHb6ZuPvNPWaf0gChlft/D8xs5jHJFln+P3B9lQ=
 github.com/nats-io/jwt/v2 v2.7.4 h1:jXFuDDxs/GQjGDZGhNgH4tXzSUK6WQi2rsj4xmsNOtI=
 github.com/nats-io/jwt/v2 v2.7.4/go.mod h1:me11pOkwObtcBNR8AiMrUbtVOUGkqYjMQZ6jnSdVUIA=
 github.com/nats-io/nats-server/v2 v2.11.6 h1:4VXRjbTUFKEB+7UoaKL3F5Y83xC7MxPoIONOnGgpkHw=
diff --git a/hive/handlers/ec2/instance/service_impl.go b/hive/handlers/ec2/instance/service_impl.go
index 271dea505..0f498367f 100644
--- a/hive/handlers/ec2/instance/service_impl.go
+++ b/hive/handlers/ec2/instance/service_impl.go
@@ -346,7 +346,7 @@ func (s *InstanceServiceImpl) cloneAMIToVolume(input *ec2.RunInstancesInput, siz
 
 		// Read 1MB
 		data, err := amiVb.ReadAt(block*uint64(destVb.BlockSize), uint64(destVb.BlockSize)*1024)
-		if err != nil && err != viperblock.ZeroBlock {
+		if err != nil && err != viperblock.ErrZeroBlock {
 			slog.Error("Failed to read block from AMI source", "err", err)
 			return errors.New(awserrors.ErrorServerInternal)
 		}
diff --git a/hive/handlers/ec2/key/service_impl.go b/hive/handlers/ec2/key/service_impl.go
index a273abef2..2a35027fa 100644
--- a/hive/handlers/ec2/key/service_impl.go
+++ b/hive/handlers/ec2/key/service_impl.go
@@ -242,7 +242,7 @@ func formatFingerprint(hash []byte, algorithm string) string {
 // generateKeyPairID generates a unique key pair ID (similar to AWS key-xxxxx format)
 func generateKeyPairID() string {
 	hash := sha1.New() //#nosec G401 - need sha1 for AWS compatibility
-	hash.Write([]byte(fmt.Sprintf("%d", time.Now().UnixNano())))
+	hash.Write(fmt.Appendf(nil, "%d", time.Now().UnixNano()))
 	return fmt.Sprintf("%x", hash.Sum(nil))[:16]
 }