diff --git a/bucket/opam.json b/bucket/opam.json
index b3c663fc50..58da8a4cf6 100644
--- a/bucket/opam.json
+++ b/bucket/opam.json
@@ -1,12 +1,12 @@
 {
-    "version": "2.3.0",
+    "version": "2.4.0",
     "description": "opam is a source-based package manager for OCaml.",
     "homepage": "https://opam.ocaml.org/",
     "license": "LGPL-2.1-only",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/ocaml/opam/releases/download/2.3.0/opam-2.3.0-x86_64-windows.exe#/opam.exe",
-            "hash": "925e7059ae6e5aefae729dd8ea66cd92b21450b50d8e6564d185443e41c1cd84"
+            "url": "https://github.com/ocaml/opam/releases/download/2.4.0/opam-2.4.0-x86_64-windows.exe#/opam.exe",
+            "hash": "fb95167951efc4c7b195a8f50269b591f8227f171731fd081a30d5f2f7601a3f"
         }
     },
     "bin": "opam.exe",