diff --git a/pkgs/by-name/ra/rattler-build/package.nix b/pkgs/by-name/ra/rattler-build/package.nix
index 7b9771af8229..53cf99ccb4cd 100644
--- a/pkgs/by-name/ra/rattler-build/package.nix
+++ b/pkgs/by-name/ra/rattler-build/package.nix
@@ -14,17 +14,17 @@
 
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "rattler-build";
-  version = "0.39.0";
+  version = "0.40.0";
 
   src = fetchFromGitHub {
     owner = "prefix-dev";
     repo = "rattler-build";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-8U48Jow/6mOBTxRgMUtW6CaTkhwaAu8Hkad3WjRdkEM=";
+    hash = "sha256-NwsNCd6ueCtvJp04fJTsfoXtfUlgZou+zwDHrXeUlhk=";
   };
 
   useFetchCargoVendor = true;
-  cargoHash = "sha256-U9ebUV9Hkfu5clAffncMXBo/ujnVf80Qt6dOkzphWx4=";
+  cargoHash = "sha256-O0nTxgftGv70c8yv4qEG+fEZEXZ+H6fhUzd/p8CQMQ4=";
 
   doCheck = false; # test requires network access