diff --git a/pkgs/tools/admin/coldsnap/default.nix b/pkgs/tools/admin/coldsnap/default.nix
index 3717550846c2..6ff4f443982d 100644
--- a/pkgs/tools/admin/coldsnap/default.nix
+++ b/pkgs/tools/admin/coldsnap/default.nix
@@ -9,15 +9,15 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "coldsnap";
-  version = "0.4.2";
+  version = "0.4.3";
 
   src = fetchFromGitHub {
     owner = "awslabs";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-+JQjJ4F++S3eLnrqV1v4leepOvZBf8Vp575rnlDx2Cg=";
+    hash = "sha256-kL9u+IBlC9Pxm5yaJagY9dy0Pm0xlKfVxFVBmwDMSak=";
   };
-  cargoHash = "sha256-mAnoe9rK4+OpCzD7tzV+FQz+fFr8NapzsXtON3lS/tk";
+  cargoHash = "sha256-eYBmke0FQ9CK3cCaM7ecmp1vkNlZO3SHRnxFzmelYhU=";
 
   buildInputs = [ openssl ] ++ lib.optionals stdenv.isDarwin [ Security ];
   nativeBuildInputs = [ pkg-config ];