diff --git a/bucket/bind.json b/bucket/bind.json
index 8520d8ad64..ed7d92b17e 100644
--- a/bucket/bind.json
+++ b/bucket/bind.json
@@ -1,5 +1,5 @@
 {
-    "version": "9.16.20",
+    "version": "9.16.21",
     "description": "Versatile, classic, complete name server software.",
     "homepage": "https://www.isc.org/bind/",
     "license": "MPL-2.0",
@@ -8,8 +8,8 @@
     },
     "architecture": {
         "64bit": {
-            "url": "https://downloads.isc.org/isc/bind9/9.16.20/BIND9.16.20.x64.zip",
-            "hash": "af656734c98fc9eb71416e217853aa19a6f8f301681f4929536db1bcc47b97ae"
+            "url": "https://downloads.isc.org/isc/bind9/9.16.21/BIND9.16.21.x64.zip",
+            "hash": "25fcac242a9568ff7aabbd06c1fb7fbd6b49e5d21536eed4f3b463a9f975f383"
         }
     },
     "installer": {