diff --git a/pkg/oidcclient/filesession/cachefile_test.go b/pkg/oidcclient/filesession/cachefile_test.go
index b1e1c984..39ac87fb 100644
--- a/pkg/oidcclient/filesession/cachefile_test.go
+++ b/pkg/oidcclient/filesession/cachefile_test.go
@@ -38,6 +38,13 @@ var validSession = sessionCache{
 				IDToken: &oidctypes.IDToken{
 					Token:  "test-id-token",
 					Expiry: metav1.NewTime(time.Date(2020, 10, 20, 19, 42, 07, 0, time.UTC).Local()),
+					Claims: map[string]interface{}{
+						"foo": "bar",
+						"nested": map[string]interface{}{
+							"key1": "value1",
+							"key2": "value2",
+						},
+					},
 				},
 				RefreshToken: &oidctypes.RefreshToken{
 					Token: "test-refresh-token",
diff --git a/pkg/oidcclient/filesession/testdata/valid.yaml b/pkg/oidcclient/filesession/testdata/valid.yaml
index 67602c7b..e0d1943c 100644
--- a/pkg/oidcclient/filesession/testdata/valid.yaml
+++ b/pkg/oidcclient/filesession/testdata/valid.yaml
@@ -20,5 +20,10 @@ sessions:
       id:
         expiryTimestamp: "2020-10-20T19:42:07Z"
         token: test-id-token
+        claims:
+          foo: bar
+          nested:
+            key1: value1
+            key2: value2
       refresh:
         token: test-refresh-token
diff --git a/pkg/oidcclient/oidctypes/oidctypes.go b/pkg/oidcclient/oidctypes/oidctypes.go
index 94f5dcc9..d3d1b658 100644
--- a/pkg/oidcclient/oidctypes/oidctypes.go
+++ b/pkg/oidcclient/oidctypes/oidctypes.go
@@ -31,6 +31,9 @@ type IDToken struct {
 
 	// Expiry is the optional expiration time of the ID token.
 	Expiry v1.Time `json:"expiryTimestamp,omitempty"`
+
+	// Claims are the claims expressed by the Token.
+	Claims map[string]interface{} `json:"claims,omitempty"`
 }
 
 // Token contains the elements of an OIDC session.