diff --git a/pkg/cardtoken/mock.go b/pkg/cardtoken/mock.go
index d796e54a..8a17b43e 100644
--- a/pkg/cardtoken/mock.go
+++ b/pkg/cardtoken/mock.go
@@ -46,7 +46,7 @@ func MockCardTokenRequest() Request {
 	}
 }
 
-func parseDate(s string) time.Time {
+func parseDate(s string) *time.Time {
 	d, _ := time.Parse(time.RFC3339, s)
-	return d
+	return &d
 }
diff --git a/pkg/cardtoken/response.go b/pkg/cardtoken/response.go
index c78b0577..2c2ae3a0 100644
--- a/pkg/cardtoken/response.go
+++ b/pkg/cardtoken/response.go
@@ -14,8 +14,8 @@ type Response struct {
 	ExpirationYear     int        `json:"expiration_year"`
 	CardNumberLength   int        `json:"card_number_length"`
 	SecurityCodeLength int        `json:"security_code_length"`
-	DateCreated        time.Time  `json:"date_created"`
-	DateLastUpdated    time.Time  `json:"date_last_updated"`
-	DateDue            time.Time  `json:"date_due"`
+	DateCreated        *time.Time `json:"date_created"`
+	DateLastUpdated    *time.Time `json:"date_last_updated"`
+	DateDue            *time.Time `json:"date_due"`
 	Cardholder         Cardholder `json:"cardholder"`
 }