diff --git a/pkgs/by-name/ra/rattler-build/package.nix b/pkgs/by-name/ra/rattler-build/package.nix
index c82bac90aa1a..97c5f1233196 100644
--- a/pkgs/by-name/ra/rattler-build/package.nix
+++ b/pkgs/by-name/ra/rattler-build/package.nix
@@ -14,16 +14,16 @@
 
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "rattler-build";
-  version = "0.44.0";
+  version = "0.45.0";
 
   src = fetchFromGitHub {
     owner = "prefix-dev";
     repo = "rattler-build";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-VgthpzZNFBIV4SwikmHJkRsuEP0j16hVt+CxOBuOy6s=";
+    hash = "sha256-nk4orzkmgKQ6UfRpA9suh7FxiPh4P+F4NagY22if5Iw=";
   };
 
-  cargoHash = "sha256-HO4DXuCs/Jtz7kzp3jn/X/75Zdh9gS0ZO3eS9GFCbXA=";
+  cargoHash = "sha256-LvdFKguUMplNbJLh6CTy6enfg1PGqjawku/tBjwf30o=";
 
   doCheck = false; # test requires network access