diff --git a/pkg/policy/policy.go b/pkg/policy/policy.go
index bb6a963..3086515 100644
--- a/pkg/policy/policy.go
+++ b/pkg/policy/policy.go
@@ -28,7 +28,7 @@ type PolicyMappings struct {
 }
 
 type PolicyMapping struct {
-	Name        string              `json:"namespace"`
+	Id          string              `json:"id"`
 	Description string              `json:"description"`
 	Origin      PolicyOrigin        `json:"origin"`
 	Files       []PolicyMappingFile `json:"files"`
@@ -39,8 +39,8 @@ type PolicyMappingFile struct {
 }
 
 type PolicyMirror struct {
-	Name   string     `json:"name"`
-	Mirror MirrorSpec `json:"mirror"`
+	PolicyId string     `json:"policy-id"`
+	Mirror   MirrorSpec `json:"mirror"`
 }
 
 type MirrorSpec struct {
@@ -152,7 +152,7 @@ func findPolicyMatch(named reference.Named, mappings *PolicyMappings) (*PolicyMa
 			if slices.Contains(mirror.Mirror.Domains, reference.Domain(named)) &&
 				strings.HasPrefix(reference.Path(named), mirror.Mirror.Prefix) {
 				for _, mapping := range mappings.Policies {
-					if mapping.Name == mirror.Name {
+					if mapping.Id == mirror.PolicyId {
 						return &mapping, nil
 					}
 				}
@@ -189,7 +189,7 @@ func ResolvePolicy(ctx context.Context, resolver oci.AttestationResolver, opts *
 	// it's a mirror of a tuf policy
 	if mirror != nil {
 		for _, mapping := range tufMappings.Policies {
-			if mapping.Name == mirror.Name {
+			if mapping.Id == mirror.PolicyId {
 				return resolveTufPolicy(opts, &mapping)
 			}
 		}
diff --git a/pkg/policy/testdata/mock-tuf-allow/mapping.yaml b/pkg/policy/testdata/mock-tuf-allow/mapping.yaml
index 794a132..1aa09d7 100644
--- a/pkg/policy/testdata/mock-tuf-allow/mapping.yaml
+++ b/pkg/policy/testdata/mock-tuf-allow/mapping.yaml
@@ -5,7 +5,7 @@ policies:
   - origin:
       domain: docker.io
       prefix: library/
-    name: docker-official-images
+    id: docker-official-images
     description: Docker Official Images
     files:
       - path: doi/policy.rego
diff --git a/pkg/policy/testdata/mock-tuf-deny/mapping.yaml b/pkg/policy/testdata/mock-tuf-deny/mapping.yaml
index 794a132..1aa09d7 100644
--- a/pkg/policy/testdata/mock-tuf-deny/mapping.yaml
+++ b/pkg/policy/testdata/mock-tuf-deny/mapping.yaml
@@ -5,7 +5,7 @@ policies:
   - origin:
       domain: docker.io
       prefix: library/
-    name: docker-official-images
+    id: docker-official-images
     description: Docker Official Images
     files:
       - path: doi/policy.rego
diff --git a/pkg/policy/testdata/mock-tuf-verify-sig/mapping.yaml b/pkg/policy/testdata/mock-tuf-verify-sig/mapping.yaml
index 794a132..1aa09d7 100644
--- a/pkg/policy/testdata/mock-tuf-verify-sig/mapping.yaml
+++ b/pkg/policy/testdata/mock-tuf-verify-sig/mapping.yaml
@@ -5,7 +5,7 @@ policies:
   - origin:
       domain: docker.io
       prefix: library/
-    name: docker-official-images
+    id: docker-official-images
     description: Docker Official Images
     files:
       - path: doi/policy.rego
diff --git a/pkg/policy/testdata/mock-tuf-wrong-key/mapping.yaml b/pkg/policy/testdata/mock-tuf-wrong-key/mapping.yaml
index 794a132..1aa09d7 100644
--- a/pkg/policy/testdata/mock-tuf-wrong-key/mapping.yaml
+++ b/pkg/policy/testdata/mock-tuf-wrong-key/mapping.yaml
@@ -5,7 +5,7 @@ policies:
   - origin:
       domain: docker.io
       prefix: library/
-    name: docker-official-images
+    id: docker-official-images
     description: Docker Official Images
     files:
       - path: doi/policy.rego
diff --git a/test/testdata/local-policy/mapping.yaml b/test/testdata/local-policy/mapping.yaml
index 8a928d7..1e2d18f 100644
--- a/test/testdata/local-policy/mapping.yaml
+++ b/test/testdata/local-policy/mapping.yaml
@@ -5,14 +5,14 @@ policies:
   - origin:
       domain: docker.io
       prefix: library/
-    name: test-images
+    id: test-images
     description: Local test images
     files:
       - path: doi/data.yaml
       - path: doi/policy.rego
 
 mirrors:
-  - name: test-images
+  - policy-id: test-images
     mirror:
       domains: [localhost:5001]
       prefix: ""