diff --git a/netbox/dcim/choices.py b/netbox/dcim/choices.py
index d32f5aaee..4586f2111 100644
--- a/netbox/dcim/choices.py
+++ b/netbox/dcim/choices.py
@@ -814,6 +814,8 @@ class InterfaceTypeChoices(ChoiceSet):
     TYPE_200GE_QSFP56 = '200gbase-x-qsfp56'
     TYPE_400GE_QSFP_DD = '400gbase-x-qsfpdd'
     TYPE_400GE_OSFP = '400gbase-x-osfp'
+    TYPE_400GE_CDFP = '400gbase-x-cdfp'
+    TYPE_400GE_CFP8 = '400gbase-x-cfp8'
     TYPE_800GE_QSFP_DD = '800gbase-x-qsfpdd'
     TYPE_800GE_OSFP = '800gbase-x-osfp'
 
@@ -959,6 +961,8 @@ class InterfaceTypeChoices(ChoiceSet):
                 (TYPE_200GE_QSFP56, 'QSFP56 (200GE)'),
                 (TYPE_400GE_QSFP_DD, 'QSFP-DD (400GE)'),
                 (TYPE_400GE_OSFP, 'OSFP (400GE)'),
+                (TYPE_400GE_CDFP, 'CDFP (400GE)'),
+                (TYPE_400GE_CFP8, 'CPF8 (400GE)'),
                 (TYPE_800GE_QSFP_DD, 'QSFP-DD (800GE)'),
                 (TYPE_800GE_OSFP, 'OSFP (800GE)'),
             )