diff --git a/osv/json.go b/osv/json.go
index 1ee0867f..a6ae57ae 100644
--- a/osv/json.go
+++ b/osv/json.go
@@ -120,6 +120,7 @@ type Reference struct {
 // entry
 type Entry struct {
 	ID                string      `json:"id"`
+	Module            string      `json:"module"`
 	Published         time.Time   `json:"published"`
 	Modified          time.Time   `json:"modified"`
 	Withdrawn         *time.Time  `json:"withdrawn,omitempty"`
@@ -142,6 +143,7 @@ func Generate(id string, url string, r report.Report) []Entry {
 	}
 	entry := Entry{
 		ID:        id,
+		Module:    r.Module,
 		Published: r.Published,
 		Modified:  lastModified,
 		Withdrawn: r.Withdrawn,
@@ -182,6 +184,7 @@ func Generate(id string, url string, r report.Report) []Entry {
 		if additional.Package != "" {
 			additionalImportPath = additional.Package
 		}
+		entryCopy.Module = additional.Module
 		entryCopy.Package.Name = additionalImportPath
 		entryCopy.EcosystemSpecific.Symbols = additional.Symbols
 		entryCopy.Affects = generateAffects(additional.Versions)
diff --git a/osv/json_test.go b/osv/json_test.go
index 39bfa5de..f1a7ce81 100644
--- a/osv/json_test.go
+++ b/osv/json_test.go
@@ -47,7 +47,8 @@ func TestGenerate(t *testing.T) {
 
 	want := []Entry{
 		{
-			ID: "GO-1991-0001",
+			ID:     "GO-1991-0001",
+			Module: "example.com/vulnerable/v2",
 			Package: Package{
 				Name:      "example.com/vulnerable/v2",
 				Ecosystem: "Go",
@@ -85,8 +86,8 @@ func TestGenerate(t *testing.T) {
 			},
 		},
 		{
-
-			ID: "GO-1991-0001",
+			ID:     "GO-1991-0001",
+			Module: "vanity.host/vulnerable",
 			Package: Package{
 				Name:      "vanity.host/vulnerable/package",
 				Ecosystem: "Go",