diff --git a/bucket/rtools.json b/bucket/rtools.json
index abb88e4b27..7e10e94114 100644
--- a/bucket/rtools.json
+++ b/bucket/rtools.json
@@ -1,5 +1,5 @@
 {
-    "version": "4.3.5948.5818",
+    "version": "4.3.5958.5975",
     "description": "Tools for building packages for R under Microsoft Windows, or for building R itself.",
     "homepage": "https://cloud.r-project.org/bin/windows/Rtools",
     "license": "BSD-3-Clause",
@@ -10,8 +10,8 @@
     ],
     "architecture": {
         "64bit": {
-            "url": "https://cloud.r-project.org/bin/windows/Rtools/rtools43/files/rtools43-5948-5818.exe",
-            "hash": "5e532809a3953d859e237c0801e1f34d49031988c5928be7ebcc9d35a98f92b4"
+            "url": "https://cloud.r-project.org/bin/windows/Rtools/rtools43/files/rtools43-5958-5975.exe",
+            "hash": "bc25c0c8ce9716f7d13b31c255d19c21104c6b5ae18b374ce71ad50fcee05584"
         }
     },
     "innosetup": true,