diff --git a/internal/scalibrextract/filesystem/vendored/vendored.go b/internal/scalibrextract/filesystem/vendored/vendored.go
index 1cd1a5fbe5..9ba40d6694 100644
--- a/internal/scalibrextract/filesystem/vendored/vendored.go
+++ b/internal/scalibrextract/filesystem/vendored/vendored.go
@@ -20,7 +20,7 @@ import (
 	scalibrfs "github.com/google/osv-scalibr/fs"
 	"github.com/google/osv-scalibr/plugin"
 	"github.com/google/osv-scalibr/purl"
-	"github.com/google/osv-scanner/pkg/osv"
+	"github.com/google/osv-scanner/internal/osvdev"
 )
 
 var (
@@ -58,8 +58,7 @@ type Extractor struct {
 	// ScanGitDir determines whether a vendored library with a git directory is scanned or not,
 	// this is used to avoid duplicate results, once from git scanning, once from vendoredDir scanning
 	ScanGitDir bool
-	// TODO(v2): Client rework
-	// determineVersionsClient
+	OSVClient  *osvdev.OSVClient
 }
 
 var _ filesystem.Extractor = Extractor{}
@@ -96,12 +95,10 @@ func (e Extractor) FileRequired(fapi filesystem.FileAPI) bool {
 
 // Extract determines the most likely package version from the directory and returns them as
 // commit hash inventory entries
-func (e Extractor) Extract(_ context.Context, input *filesystem.ScanInput) ([]*extractor.Inventory, error) {
+func (e Extractor) Extract(ctx context.Context, input *filesystem.ScanInput) ([]*extractor.Inventory, error) {
 	var packages []*extractor.Inventory
 
-	// r.Infof("Scanning potential vendored dir: %s\n", libPath)
-	// TODO: make this a goroutine to parallelize this operation
-	results, err := queryDetermineVersions(input.Path, input.FS, e.ScanGitDir)
+	results, err := e.queryDetermineVersions(ctx, input.Path, input.FS, e.ScanGitDir)
 	if err != nil {
 		return nil, err
 	}
@@ -130,8 +127,8 @@ func (e Extractor) Ecosystem(_ *extractor.Inventory) string {
 	return ""
 }
 
-func queryDetermineVersions(repoDir string, fsys scalibrfs.FS, scanGitDir bool) (*osv.DetermineVersionResponse, error) {
-	var hashes []osv.DetermineVersionHash
+func (e Extractor) queryDetermineVersions(ctx context.Context, repoDir string, fsys scalibrfs.FS, scanGitDir bool) (*osvdev.DetermineVersionResponse, error) {
+	var hashes []osvdev.DetermineVersionHash
 
 	err := fs.WalkDir(fsys, repoDir, func(p string, d fs.DirEntry, _ error) error {
 		if d.IsDir() {
@@ -165,7 +162,7 @@ func queryDetermineVersions(repoDir string, fsys scalibrfs.FS, scanGitDir bool)
 			return err
 		}
 		hash := md5.Sum(buf.Bytes()) //nolint:gosec
-		hashes = append(hashes, osv.DetermineVersionHash{
+		hashes = append(hashes, osvdev.DetermineVersionHash{
 			Path: strings.ReplaceAll(p, repoDir, ""),
 			Hash: hash[:],
 		})
@@ -180,7 +177,11 @@ func queryDetermineVersions(repoDir string, fsys scalibrfs.FS, scanGitDir bool)
 		return nil, fmt.Errorf("failed during hashing: %w", err)
 	}
 
-	result, err := osv.MakeDetermineVersionRequest(filepath.Base(repoDir), hashes)
+	result, err := e.OSVClient.ExperimentalDetermineVersion(ctx, &osvdev.DetermineVersionsRequest{
+		Name:       filepath.Base(repoDir),
+		FileHashes: hashes,
+	})
+
 	if err != nil {
 		return nil, fmt.Errorf("failed to determine versions: %w", err)
 	}
diff --git a/internal/scalibrextract/filesystem/vendored/vendored_test.go b/internal/scalibrextract/filesystem/vendored/vendored_test.go
index f61ca5b341..922c565f59 100644
--- a/internal/scalibrextract/filesystem/vendored/vendored_test.go
+++ b/internal/scalibrextract/filesystem/vendored/vendored_test.go
@@ -14,6 +14,7 @@ import (
 	"github.com/google/osv-scalibr/extractor/filesystem/simplefileapi"
 	"github.com/google/osv-scalibr/testing/extracttest"
 	"github.com/google/osv-scalibr/testing/fakefs"
+	"github.com/google/osv-scanner/internal/osvdev"
 	"github.com/google/osv-scanner/internal/scalibrextract/filesystem/vendored"
 	"github.com/google/osv-scanner/internal/testutility"
 )
@@ -127,7 +128,9 @@ func TestExtractor_Extract(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.Name, func(t *testing.T) {
 			t.Parallel()
-			extr := vendored.Extractor{}
+			extr := vendored.Extractor{
+				OSVClient: osvdev.DefaultClient(),
+			}
 
 			scanInput := extracttest.GenerateScanInputMock(t, tt.InputConfig)
 			defer extracttest.CloseTestScanInput(t, scanInput)
diff --git a/pkg/osvscanner/internal/scanners/walker.go b/pkg/osvscanner/internal/scanners/walker.go
index 028c1480ec..4ae43d653c 100644
--- a/pkg/osvscanner/internal/scanners/walker.go
+++ b/pkg/osvscanner/internal/scanners/walker.go
@@ -12,6 +12,7 @@ import (
 	"github.com/google/osv-scalibr/extractor/filesystem"
 	"github.com/google/osv-scalibr/extractor/filesystem/language/java/pomxml"
 	"github.com/google/osv-scanner/internal/customgitignore"
+	"github.com/google/osv-scanner/internal/osvdev"
 	"github.com/google/osv-scanner/internal/output"
 	"github.com/google/osv-scanner/internal/scalibrextract"
 	"github.com/google/osv-scanner/internal/scalibrextract/filesystem/vendored"
@@ -47,7 +48,11 @@ func ScanDir(r reporter.Reporter, dir string, skipGit bool, recursive bool, useG
 	relevantExtractors = append(relevantExtractors, lockfileExtractors...)
 	relevantExtractors = append(relevantExtractors, SBOMExtractors...)
 	// Only scan git directories if we are skipping the git extractor
-	relevantExtractors = append(relevantExtractors, vendored.Extractor{ScanGitDir: skipGit})
+	// TODO: If in offline mode, don't create a vendoredExtractor
+	relevantExtractors = append(relevantExtractors, vendored.Extractor{
+		ScanGitDir: skipGit,
+		OSVClient:  osvdev.DefaultClient(),
+	})
 	if pomExtractor != nil {
 		relevantExtractors = append(relevantExtractors, pomExtractor)
 	} else {