diff --git a/app/controlplane/api/gen/frontend/workflowcontract/v1/crafting_schema.ts b/app/controlplane/api/gen/frontend/workflowcontract/v1/crafting_schema.ts
index ba9378296..f508c5abc 100644
--- a/app/controlplane/api/gen/frontend/workflowcontract/v1/crafting_schema.ts
+++ b/app/controlplane/api/gen/frontend/workflowcontract/v1/crafting_schema.ts
@@ -119,6 +119,7 @@ export enum CraftingSchema_Material_MaterialType {
    * https://github.com/microsoft/sarif-tutorials/blob/main/docs/1-Introduction.md
    */
   SARIF = 9,
+  HELM_CHART = 10,
   UNRECOGNIZED = -1,
 }
 
@@ -154,6 +155,9 @@ export function craftingSchema_Material_MaterialTypeFromJSON(object: any): Craft
     case 9:
     case "SARIF":
       return CraftingSchema_Material_MaterialType.SARIF;
+    case 10:
+    case "HELM_CHART":
+      return CraftingSchema_Material_MaterialType.HELM_CHART;
     case -1:
     case "UNRECOGNIZED":
     default:
@@ -183,6 +187,8 @@ export function craftingSchema_Material_MaterialTypeToJSON(object: CraftingSchem
       return "CSAF_VEX";
     case CraftingSchema_Material_MaterialType.SARIF:
       return "SARIF";
+    case CraftingSchema_Material_MaterialType.HELM_CHART:
+      return "HELM_CHART";
     case CraftingSchema_Material_MaterialType.UNRECOGNIZED:
     default:
       return "UNRECOGNIZED";
diff --git a/app/controlplane/api/workflowcontract/v1/crafting_schema.pb.go b/app/controlplane/api/workflowcontract/v1/crafting_schema.pb.go
index 042c12423..d7a705678 100644
--- a/app/controlplane/api/workflowcontract/v1/crafting_schema.pb.go
+++ b/app/controlplane/api/workflowcontract/v1/crafting_schema.pb.go
@@ -113,22 +113,24 @@ const (
 	CraftingSchema_Material_CSAF_VEX CraftingSchema_Material_MaterialType = 8
 	// Static analysis output format
 	// https://github.com/microsoft/sarif-tutorials/blob/main/docs/1-Introduction.md
-	CraftingSchema_Material_SARIF CraftingSchema_Material_MaterialType = 9
+	CraftingSchema_Material_SARIF      CraftingSchema_Material_MaterialType = 9
+	CraftingSchema_Material_HELM_CHART CraftingSchema_Material_MaterialType = 10
 )
 
 // Enum value maps for CraftingSchema_Material_MaterialType.
 var (
 	CraftingSchema_Material_MaterialType_name = map[int32]string{
-		0: "MATERIAL_TYPE_UNSPECIFIED",
-		1: "STRING",
-		2: "CONTAINER_IMAGE",
-		3: "ARTIFACT",
-		4: "SBOM_CYCLONEDX_JSON",
-		5: "SBOM_SPDX_JSON",
-		6: "JUNIT_XML",
-		7: "OPENVEX",
-		8: "CSAF_VEX",
-		9: "SARIF",
+		0:  "MATERIAL_TYPE_UNSPECIFIED",
+		1:  "STRING",
+		2:  "CONTAINER_IMAGE",
+		3:  "ARTIFACT",
+		4:  "SBOM_CYCLONEDX_JSON",
+		5:  "SBOM_SPDX_JSON",
+		6:  "JUNIT_XML",
+		7:  "OPENVEX",
+		8:  "CSAF_VEX",
+		9:  "SARIF",
+		10: "HELM_CHART",
 	}
 	CraftingSchema_Material_MaterialType_value = map[string]int32{
 		"MATERIAL_TYPE_UNSPECIFIED": 0,
@@ -141,6 +143,7 @@ var (
 		"OPENVEX":                   7,
 		"CSAF_VEX":                  8,
 		"SARIF":                     9,
+		"HELM_CHART":                10,
 	}
 )
 
@@ -449,7 +452,7 @@ var file_workflowcontract_v1_crafting_schema_proto_rawDesc = []byte{
 	0x63, 0x68, 0x65, 0x6d, 0x61, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x13, 0x77, 0x6f, 0x72,
 	0x6b, 0x66, 0x6c, 0x6f, 0x77, 0x63, 0x6f, 0x6e, 0x74, 0x72, 0x61, 0x63, 0x74, 0x2e, 0x76, 0x31,
 	0x1a, 0x1b, 0x62, 0x75, 0x66, 0x2f, 0x76, 0x61, 0x6c, 0x69, 0x64, 0x61, 0x74, 0x65, 0x2f, 0x76,
-	0x61, 0x6c, 0x69, 0x64, 0x61, 0x74, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x87, 0x08,
+	0x61, 0x6c, 0x69, 0x64, 0x61, 0x74, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x97, 0x08,
 	0x0a, 0x0e, 0x43, 0x72, 0x61, 0x66, 0x74, 0x69, 0x6e, 0x67, 0x53, 0x63, 0x68, 0x65, 0x6d, 0x61,
 	0x12, 0x30, 0x0a, 0x0e, 0x73, 0x63, 0x68, 0x65, 0x6d, 0x61, 0x5f, 0x76, 0x65, 0x72, 0x73, 0x69,
 	0x6f, 0x6e, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x42, 0x09, 0xba, 0x48, 0x06, 0x72, 0x04, 0x0a,
@@ -486,7 +489,7 @@ var file_workflowcontract_v1_crafting_schema_proto_rawDesc = []byte{
 	0x53, 0x5f, 0x4a, 0x4f, 0x42, 0x10, 0x04, 0x12, 0x12, 0x0a, 0x0e, 0x43, 0x49, 0x52, 0x43, 0x4c,
 	0x45, 0x43, 0x49, 0x5f, 0x42, 0x55, 0x49, 0x4c, 0x44, 0x10, 0x05, 0x12, 0x13, 0x0a, 0x0f, 0x44,
 	0x41, 0x47, 0x47, 0x45, 0x52, 0x5f, 0x50, 0x49, 0x50, 0x45, 0x4c, 0x49, 0x4e, 0x45, 0x10, 0x06,
-	0x1a, 0xc4, 0x03, 0x0a, 0x08, 0x4d, 0x61, 0x74, 0x65, 0x72, 0x69, 0x61, 0x6c, 0x12, 0x5a, 0x0a,
+	0x1a, 0xd4, 0x03, 0x0a, 0x08, 0x4d, 0x61, 0x74, 0x65, 0x72, 0x69, 0x61, 0x6c, 0x12, 0x5a, 0x0a,
 	0x04, 0x74, 0x79, 0x70, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x39, 0x2e, 0x77, 0x6f,
 	0x72, 0x6b, 0x66, 0x6c, 0x6f, 0x77, 0x63, 0x6f, 0x6e, 0x74, 0x72, 0x61, 0x63, 0x74, 0x2e, 0x76,
 	0x31, 0x2e, 0x43, 0x72, 0x61, 0x66, 0x74, 0x69, 0x6e, 0x67, 0x53, 0x63, 0x68, 0x65, 0x6d, 0x61,
@@ -502,7 +505,7 @@ var file_workflowcontract_v1_crafting_schema_proto_rawDesc = []byte{
 	0x6e, 0x73, 0x18, 0x05, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x1f, 0x2e, 0x77, 0x6f, 0x72, 0x6b, 0x66,
 	0x6c, 0x6f, 0x77, 0x63, 0x6f, 0x6e, 0x74, 0x72, 0x61, 0x63, 0x74, 0x2e, 0x76, 0x31, 0x2e, 0x41,
 	0x6e, 0x6e, 0x6f, 0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x52, 0x0b, 0x61, 0x6e, 0x6e, 0x6f, 0x74,
-	0x61, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x22, 0xbe, 0x01, 0x0a, 0x0c, 0x4d, 0x61, 0x74, 0x65, 0x72,
+	0x61, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x22, 0xce, 0x01, 0x0a, 0x0c, 0x4d, 0x61, 0x74, 0x65, 0x72,
 	0x69, 0x61, 0x6c, 0x54, 0x79, 0x70, 0x65, 0x12, 0x1d, 0x0a, 0x19, 0x4d, 0x41, 0x54, 0x45, 0x52,
 	0x49, 0x41, 0x4c, 0x5f, 0x54, 0x59, 0x50, 0x45, 0x5f, 0x55, 0x4e, 0x53, 0x50, 0x45, 0x43, 0x49,
 	0x46, 0x49, 0x45, 0x44, 0x10, 0x00, 0x12, 0x0a, 0x0a, 0x06, 0x53, 0x54, 0x52, 0x49, 0x4e, 0x47,
@@ -514,7 +517,8 @@ var file_workflowcontract_v1_crafting_schema_proto_rawDesc = []byte{
 	0x10, 0x05, 0x12, 0x0d, 0x0a, 0x09, 0x4a, 0x55, 0x4e, 0x49, 0x54, 0x5f, 0x58, 0x4d, 0x4c, 0x10,
 	0x06, 0x12, 0x0b, 0x0a, 0x07, 0x4f, 0x50, 0x45, 0x4e, 0x56, 0x45, 0x58, 0x10, 0x07, 0x12, 0x0c,
 	0x0a, 0x08, 0x43, 0x53, 0x41, 0x46, 0x5f, 0x56, 0x45, 0x58, 0x10, 0x08, 0x12, 0x09, 0x0a, 0x05,
-	0x53, 0x41, 0x52, 0x49, 0x46, 0x10, 0x09, 0x22, 0x46, 0x0a, 0x0a, 0x41, 0x6e, 0x6e, 0x6f, 0x74,
+	0x53, 0x41, 0x52, 0x49, 0x46, 0x10, 0x09, 0x12, 0x0e, 0x0a, 0x0a, 0x48, 0x45, 0x4c, 0x4d, 0x5f,
+	0x43, 0x48, 0x41, 0x52, 0x54, 0x10, 0x0a, 0x22, 0x46, 0x0a, 0x0a, 0x41, 0x6e, 0x6e, 0x6f, 0x74,
 	0x61, 0x74, 0x69, 0x6f, 0x6e, 0x12, 0x22, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20,
 	0x01, 0x28, 0x09, 0x42, 0x0e, 0xba, 0x48, 0x0b, 0x72, 0x09, 0x32, 0x07, 0x5e, 0x5b, 0x5c, 0x77,
 	0x5d, 0x2b, 0x24, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c,
diff --git a/app/controlplane/api/workflowcontract/v1/crafting_schema.proto b/app/controlplane/api/workflowcontract/v1/crafting_schema.proto
index c66df841c..04aec6628 100644
--- a/app/controlplane/api/workflowcontract/v1/crafting_schema.proto
+++ b/app/controlplane/api/workflowcontract/v1/crafting_schema.proto
@@ -83,6 +83,7 @@ message CraftingSchema {
       // Static analysis output format
       // https://github.com/microsoft/sarif-tutorials/blob/main/docs/1-Introduction.md
       SARIF = 9;
+      HELM_CHART = 10;
     }
   }
 }
diff --git a/go.mod b/go.mod
index f0f533397..1f1a6670b 100644
--- a/go.mod
+++ b/go.mod
@@ -310,7 +310,7 @@ require (
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240401170217-c3f982113cda // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
-	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	k8s.io/api v0.28.3 // indirect
 	k8s.io/apimachinery v0.28.3
diff --git a/internal/attestation/crafter/materials/helmchart.go b/internal/attestation/crafter/materials/helmchart.go
new file mode 100644
index 000000000..49e7d1464
--- /dev/null
+++ b/internal/attestation/crafter/materials/helmchart.go
@@ -0,0 +1,132 @@
+//
+// Copyright 2024 The Chainloop Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package materials
+
+import (
+	"archive/tar"
+	"compress/gzip"
+	"context"
+	"fmt"
+	"io"
+	"os"
+	"strings"
+
+	schemaapi "github.com/chainloop-dev/chainloop/app/controlplane/api/workflowcontract/v1"
+	api "github.com/chainloop-dev/chainloop/internal/attestation/crafter/api/attestation/v1"
+	"github.com/chainloop-dev/chainloop/internal/casclient"
+	"github.com/rs/zerolog"
+	"gopkg.in/yaml.v2"
+)
+
+const (
+	// chartFileName is the name of the Chart.yaml file in the helm chart
+	chartFileName = "Chart.yaml"
+	// chartValuesYamlFileName is the name of the values.yaml file in the helm chart
+	chartValuesYamlFileName = "values.yaml"
+)
+
+type HelmChartCrafter struct {
+	backend *casclient.CASBackend
+	*crafterCommon
+}
+
+func NewHelmChartCrafter(materialSchema *schemaapi.CraftingSchema_Material, backend *casclient.CASBackend,
+	l *zerolog.Logger) (*HelmChartCrafter, error) {
+	if materialSchema.Type != schemaapi.CraftingSchema_Material_HELM_CHART {
+		return nil, fmt.Errorf("material type is not HELM_CHART format")
+	}
+
+	return &HelmChartCrafter{
+		backend:       backend,
+		crafterCommon: &crafterCommon{logger: l, input: materialSchema},
+	}, nil
+}
+
+func (c *HelmChartCrafter) Craft(ctx context.Context, filepath string) (*api.Attestation_Material, error) {
+	// Open the helm chart tar file
+	f, err := os.Open(filepath)
+	if err != nil {
+		return nil, fmt.Errorf("can't open the file: %w", err)
+	}
+	defer f.Close()
+
+	// Decompress the file if possible
+	uncompressedStream, err := gzip.NewReader(f)
+	if err != nil {
+		return nil, fmt.Errorf("can't uncompress file, unexpected material type: %w", err)
+	}
+
+	// Create a tar reader
+	tarReader := tar.NewReader(uncompressedStream)
+
+	// Flags to track whether required files are found
+	var chartFileValid, chartValuesValid bool
+
+	// Iterate through the files in the tar archive
+	for {
+		header, err := tarReader.Next()
+		if err == io.EOF {
+			// Reached the end of tar archive
+			break
+		}
+		if err != nil {
+			return nil, fmt.Errorf("error reading tar file: %w", err)
+		}
+
+		// Check if the file is a regular file
+		if header.Typeflag != tar.TypeReg {
+			continue // Skip if it's not a regular file
+		}
+
+		// Validate Chart.yaml and values.yaml files. The files will have prepended the path of the directory
+		// it was compressed from. So, we can check if the file name contains the required file names
+		// Ex: helm-chart/Chart.yaml, helm-chart/values.yaml
+		if strings.Contains(header.Name, chartFileName) {
+			if err := c.validateYamlFile(tarReader); err != nil {
+				return nil, fmt.Errorf("invalid Chart.yaml file: %w", err)
+			}
+			chartFileValid = true
+		} else if strings.Contains(header.Name, chartValuesYamlFileName) {
+			if err := c.validateYamlFile(tarReader); err != nil {
+				return nil, fmt.Errorf("invalid values.yaml file: %w", err)
+			}
+			chartValuesValid = true
+		}
+
+		// Stop iterating if both files are found
+		if chartValuesValid && chartFileValid {
+			break
+		}
+	}
+
+	// If the chart.yaml and values.yaml files are not found, return an error
+	if !chartFileValid || !chartValuesValid {
+		return nil, fmt.Errorf("missing required files in the helm chart: Chart.yaml and values.yaml")
+	}
+
+	// Upload and craft the chart
+	return uploadAndCraft(ctx, c.input, c.backend, filepath, c.logger)
+}
+
+// validateYamlFile validates the YAML file just by trying to unmarshal it
+func (c *HelmChartCrafter) validateYamlFile(r io.Reader) error {
+	v := make(map[string]interface{})
+	if err := yaml.NewDecoder(r).Decode(v); err != nil {
+		return fmt.Errorf("failed to unmarshal YAML file: %w", err)
+	}
+
+	return nil
+}
diff --git a/internal/attestation/crafter/materials/helmchart_test.go b/internal/attestation/crafter/materials/helmchart_test.go
new file mode 100644
index 000000000..224a0ebfa
--- /dev/null
+++ b/internal/attestation/crafter/materials/helmchart_test.go
@@ -0,0 +1,142 @@
+//
+// Copyright 2024 The Chainloop Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package materials_test
+
+import (
+	"context"
+	"testing"
+
+	contractAPI "github.com/chainloop-dev/chainloop/app/controlplane/api/workflowcontract/v1"
+	attestationApi "github.com/chainloop-dev/chainloop/internal/attestation/crafter/api/attestation/v1"
+	"github.com/chainloop-dev/chainloop/internal/attestation/crafter/materials"
+	"github.com/chainloop-dev/chainloop/internal/casclient"
+	mUploader "github.com/chainloop-dev/chainloop/internal/casclient/mocks"
+	"github.com/rs/zerolog"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestNewHelmChartCrafter(t *testing.T) {
+	testCases := []struct {
+		name    string
+		input   *contractAPI.CraftingSchema_Material
+		wantErr bool
+	}{
+		{
+			name: "happy path",
+			input: &contractAPI.CraftingSchema_Material{
+				Type: contractAPI.CraftingSchema_Material_HELM_CHART,
+			},
+		},
+		{
+			name: "wrong type",
+			input: &contractAPI.CraftingSchema_Material{
+				Type: contractAPI.CraftingSchema_Material_CONTAINER_IMAGE,
+			},
+			wantErr: true,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			_, err := materials.NewHelmChartCrafter(tc.input, nil, nil)
+			if tc.wantErr {
+				assert.Error(t, err)
+				return
+			}
+
+			assert.NoError(t, err)
+		})
+	}
+}
+
+func TestHelmChartCraft(t *testing.T) {
+	testCases := []struct {
+		name         string
+		filePath     string
+		wantErr      string
+		wantFilename string
+		wantDigest   string
+	}{
+		{
+			name:     "invalid path",
+			filePath: "./testdata/non-existing.json",
+			wantErr:  "no such file or directory",
+		},
+		{
+			name:     "empty tarball",
+			filePath: "./testdata/missing-empty.tgz",
+			wantErr:  "missing required files in the helm chart: Chart.yaml and values.yaml",
+		},
+		{
+			name:     "missing Chart.yaml file",
+			filePath: "./testdata/missing-chartyaml.tgz",
+			wantErr:  "missing required files in the helm chart: Chart.yaml and values.yaml",
+		},
+		{
+			name:     "missing values.yaml file",
+			filePath: "./testdata/missing-valuesyaml.tgz",
+			wantErr:  "missing required files in the helm chart: Chart.yaml and values.yaml",
+		},
+		{
+			name:     "invalid artifact type",
+			filePath: "./testdata/simple.txt",
+			wantErr:  "unexpected material type",
+		},
+		{
+			name:         "valid artifact type",
+			filePath:     "./testdata/valid-chart.tgz",
+			wantDigest:   "sha256:08a46a850789938ede61d6a53552f48cb8ba74c4e17dcf30c9c50e5783ca6a13",
+			wantFilename: "valid-chart.tgz",
+		},
+	}
+
+	assert := assert.New(t)
+	schema := &contractAPI.CraftingSchema_Material{
+		Name: "test",
+		Type: contractAPI.CraftingSchema_Material_HELM_CHART,
+	}
+	l := zerolog.Nop()
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			// Mock uploader
+			uploader := mUploader.NewUploader(t)
+			if tc.wantErr == "" {
+				uploader.On("UploadFile", context.TODO(), tc.filePath).
+					Return(&casclient.UpDownStatus{}, nil)
+			}
+
+			backend := &casclient.CASBackend{Uploader: uploader}
+			crafter, err := materials.NewHelmChartCrafter(schema, backend, &l)
+			require.NoError(t, err)
+
+			got, err := crafter.Craft(context.TODO(), tc.filePath)
+			if tc.wantErr != "" {
+				assert.ErrorContains(err, tc.wantErr)
+				return
+			}
+
+			require.NoError(t, err)
+			assert.Equal(contractAPI.CraftingSchema_Material_HELM_CHART.String(), got.MaterialType.String())
+			assert.True(got.UploadedToCas)
+
+			// The result includes the digest reference
+			assert.Equal(&attestationApi.Attestation_Material_Artifact{
+				Id: "test", Digest: tc.wantDigest, Name: tc.wantFilename,
+			}, got.GetArtifact())
+		})
+	}
+}
diff --git a/internal/attestation/crafter/materials/materials.go b/internal/attestation/crafter/materials/materials.go
index 78c9a8645..c8bea87b2 100644
--- a/internal/attestation/crafter/materials/materials.go
+++ b/internal/attestation/crafter/materials/materials.go
@@ -169,6 +169,8 @@ func Craft(ctx context.Context, materialSchema *schemaapi.CraftingSchema_Materia
 		crafter, err = NewCSAFVEXCrafter(materialSchema, casBackend, logger)
 	case schemaapi.CraftingSchema_Material_SARIF:
 		crafter, err = NewSARIFCrafter(materialSchema, casBackend, logger)
+	case schemaapi.CraftingSchema_Material_HELM_CHART:
+		crafter, err = NewHelmChartCrafter(materialSchema, casBackend, logger)
 	default:
 		return nil, fmt.Errorf("material of type %q not supported yet", materialSchema.Type)
 	}
diff --git a/internal/attestation/crafter/materials/testdata/missing-chartyaml.tgz b/internal/attestation/crafter/materials/testdata/missing-chartyaml.tgz
new file mode 100644
index 000000000..795f6a007
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