diff --git a/manifests/cargo-zigbuild.json b/manifests/cargo-zigbuild.json
index e904f9dc..91504da0 100644
--- a/manifests/cargo-zigbuild.json
+++ b/manifests/cargo-zigbuild.json
@@ -21,6 +21,50 @@
   "latest": {
     "version": "0.20.1"
   },
+  "0.21.1": {
+    "x86_64_linux_musl": {
+      "etag": "0x8DE51D0BB0C5867",
+      "checksum": "7ec3bc93ba853c7b8297004d93d881575af64e41ee4dd213f2c91bbfbcf9aff1"
+    },
+    "x86_64_macos": {
+      "etag": "0x8DE51D0BB1B8989",
+      "checksum": "8a29fe0c3cd7be8c880949032a6af06bb9725989a72c5856085dfdb34b4fbdab"
+    },
+    "x86_64_windows": {
+      "etag": "0x8DE51D0BB01B5F4",
+      "checksum": "25d881d855523405e31fa2b8a783b66d305645ac0eb0d90dc178ff210d9f0168"
+    },
+    "aarch64_linux_musl": {
+      "etag": "0x8DE51D0BB033ADA",
+      "checksum": "98a91ee6fd155b70e7ece7f7b7ea1388b3b8d4b782ea5e0b8f014012579ea031"
+    },
+    "aarch64_windows": {
+      "etag": "0x8DE51D0BAFB5485",
+      "checksum": "3598f2ad615a5d22a0389e42dc88632228829c77d0522658d88d7ec9b147d5be"
+    }
+  },
+  "0.21.0": {
+    "x86_64_linux_musl": {
+      "etag": "0x8DE51CD3148E268",
+      "checksum": "a381b0c5725992c460dafe1c5a048c0d656fe4c9eb632f9c7b20e8c9dae21b3d"
+    },
+    "x86_64_macos": {
+      "etag": "0x8DE51CD317D99F4",
+      "checksum": "bbe65e2228d980cf0f50b4753580c1b158198ef1d824cada727a3ad2865dc729"
+    },
+    "x86_64_windows": {
+      "etag": "0x8DE51CD3183D43F",
+      "checksum": "06adb484bb845c866e028356b4cd8ac8db00096a5ac24f528a7fa6e9183a4b04"
+    },
+    "aarch64_linux_musl": {
+      "etag": "0x8DE51CD3185CDE6",
+      "checksum": "e21bc69c5baed7957b8774d757ded88631c0022e6050398c37154f764c0ec4ce"
+    },
+    "aarch64_windows": {
+      "etag": "0x8DE51CD319C9798",
+      "checksum": "0b11175a297e68efed2dbc449996536b35ee74a0d3210796ca9136c1044b4183"
+    }
+  },
   "0.20": {
     "version": "0.20.1"
   },