diff --git a/pkgs/by-name/pr/proto/package.nix b/pkgs/by-name/pr/proto/package.nix
index a057bcd64703..0cd666b5a5bf 100644
--- a/pkgs/by-name/pr/proto/package.nix
+++ b/pkgs/by-name/pr/proto/package.nix
@@ -11,17 +11,17 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "proto";
-  version = "0.46.0";
+  version = "0.47.4";
 
   src = fetchFromGitHub {
     owner = "moonrepo";
     repo = "proto";
     rev = "v${version}";
-    hash = "sha256-zq5zjYljjpriDsTmT0W9zbuJREwYT83N6e6QgWz/4h4=";
+    hash = "sha256-rCn27Lw75a1LOiQTEjQNHal8WuHKBhQVMuPiETpcuT0=";
   };
 
   useFetchCargoVendor = true;
-  cargoHash = "sha256-dQY5mn6f5FhC34T+jpCX1u4s+5yJvTFUBttca7c7G3Y=";
+  cargoHash = "sha256-XCu0jf6mnPSdaeODe0PQ14YeIg02a9iNLBYkLPcenQ4=";
 
   buildInputs = lib.optionals stdenv.hostPlatform.isDarwin [
     darwin.apple_sdk.frameworks.SystemConfiguration