diff --git a/bucket/simplex-chat.json b/bucket/simplex-chat.json
index a5d8ecf8e1..61bf52833a 100644
--- a/bucket/simplex-chat.json
+++ b/bucket/simplex-chat.json
@@ -1,12 +1,12 @@
 {
-    "version": "6.4.2",
+    "version": "6.4.3.1",
     "description": "Private and secure chat and applications platform",
     "homepage": "https://simplex.chat",
     "license": "AGPL-3.0-only",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/simplex-chat/simplex-chat/releases/download/v6.4.2/simplex-chat-windows-x86-64#/simplex-chat.exe",
-            "hash": "4c62942de622de504f409e111b85bb0828f2d6b1ef0460999ed86dcd37cf0973"
+            "url": "https://github.com/simplex-chat/simplex-chat/releases/download/v6.4.3.1/simplex-chat-windows-x86-64#/simplex-chat.exe",
+            "hash": "e6f4aabcf154df721a83ab4a4c402bf18cce3881e5aa14fac9c70f74e121cec6"
         }
     },
     "bin": "simplex-chat.exe",