diff --git a/PostSignedObjects/KEK/Adlink/KEKUpdate_Adlink_PK5221A953.bin b/PostSignedObjects/KEK/Adlink/KEKUpdate_Adlink_PK5221A953.bin
new file mode 100644
index 0000000..f009b68
Binary files /dev/null and b/PostSignedObjects/KEK/Adlink/KEKUpdate_Adlink_PK5221A953.bin differ
diff --git a/PostSignedObjects/KEK/kek_update_map.json b/PostSignedObjects/KEK/kek_update_map.json
index f42b7ca..1d2bc41 100644
--- a/PostSignedObjects/KEK/kek_update_map.json
+++ b/PostSignedObjects/KEK/kek_update_map.json
@@ -207,6 +207,14 @@
             "issued_by": "CN=Dell secure boot platform key 2022,O=Dell Technologies Inc.,L=Portland,ST=California,C=US"
         }
     },
+    "5221a9531628347c8ab59a4724b0990874ced8ff": {
+        "KEKUpdate": "Adlink/KEKUpdate_Adlink_PK5221A953.bin",
+        "Certificate": {
+            "serial_number": "574d860c1d33e9f474aeef6e3cfc557",
+            "issued_to": "CN=ADLINK PK Certificate",
+            "issued_by": "CN=ADLINK PK Certificate"
+        }
+    },
     "5ecf2d6a6727b27ab195498d9c10d8ae88d3d606": {
         "KEKUpdate": "Adlink/KEKUpdate_Adlink_PK5ECF2D6A.bin",
         "Certificate": {