diff --git a/bucket/b2.json b/bucket/b2.json
index 0f5b84c80b..de7ea63462 100644
--- a/bucket/b2.json
+++ b/bucket/b2.json
@@ -1,12 +1,12 @@
 {
-    "version": "3.19.1",
+    "version": "4.0.0",
     "description": "Command-line tool that gives easy access to all of the capabilities of B2 Cloud Storage",
     "homepage": "https://www.backblaze.com/b2/docs/quick_command_line.html",
     "license": "MIT",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/Backblaze/B2_Command_Line_Tool/releases/download/v3.19.1/b2-windows.exe#/b2.exe",
-            "hash": "f94d48e620ffa63a60619de42ea65609a762772cf8a582a8a29f552d1c12e46a"
+            "url": "https://github.com/Backblaze/B2_Command_Line_Tool/releases/download/v4.0.0/b2-windows.exe#/b2.exe",
+            "hash": "624da907aa5034e75d1ba12440b40fc1a8ac6ac578f6192fcc38635ea8bdeec7"
         }
     },
     "bin": "b2.exe",