diff --git a/pkgs/by-name/pr/proto/package.nix b/pkgs/by-name/pr/proto/package.nix
index 92ae4632363a..4ef4c3d052e7 100644
--- a/pkgs/by-name/pr/proto/package.nix
+++ b/pkgs/by-name/pr/proto/package.nix
@@ -10,17 +10,17 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "proto";
-  version = "0.48.0";
+  version = "0.48.1";
 
   src = fetchFromGitHub {
     owner = "moonrepo";
     repo = "proto";
     rev = "v${version}";
-    hash = "sha256-nvcewUlMIfvL/qiBl23cdRfa3IFcCm7ncCSATW4607I=";
+    hash = "sha256-4ikjpr1IRULLpWC8sseWuF20YXUuCfdCP6VU/VgGWzE=";
   };
 
   useFetchCargoVendor = true;
-  cargoHash = "sha256-oyATT8lEzBltT6+jXMAHvhPTdXGO4Hm5WwEjy/2bgmE=";
+  cargoHash = "sha256-aa4fL33B4kAZx7A6XRvwLlUHsyZve5WOZBnGCWtfqFU=";
 
   buildInputs = lib.optionals stdenv.hostPlatform.isDarwin [
     libiconv