diff --git a/bucket/b2sum.json b/bucket/b2sum.json
new file mode 100644
index 0000000000..d4bb032273
--- /dev/null
+++ b/bucket/b2sum.json
@@ -0,0 +1,30 @@
+{
+    "homepage": "https://blake2.net",
+    "version": "20130305",
+    "license": "CC0-1.0",
+    "description": "Tool to create BLAKE2 hashes of files or streams",
+    "url": "https://blake2.net/b2sum-bin_20130305.zip",
+    "hash": "160e8a1fe00131a415cdfc7e3d7f6c71a1fdd361cf0c14dcbe101fa56461b122",
+    "architecture": {
+        "64bit": {
+            "bin": [
+                [
+                    "b2sum-amd64-windows.exe",
+                    "b2sum"
+                ]
+            ]
+        },
+        "32bit": {
+            "bin": [
+                [
+                    "b2sum-i686-windows.exe",
+                    "b2sum"
+                ]
+            ]
+        }
+    },
+    "checkver": "b2sum-bin_(\\d+)\\.zip",
+    "autoupdate": {
+        "url": "https://blake2.net/b2sum-bin_$version.zip"
+    }
+}