diff --git a/pkgs/by-name/pr/proto/package.nix b/pkgs/by-name/pr/proto/package.nix
index a6da7fc4ca7f..a057bcd64703 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 = "0.44.4";
+  version = "0.46.0";
 
   src = fetchFromGitHub {
     owner = "moonrepo";
     repo = "proto";
     rev = "v${version}";
-    hash = "sha256-K/mpwSzZuaNx3vbEJD0mYzFUylB6bUhYRhW81BcXin4=";
+    hash = "sha256-zq5zjYljjpriDsTmT0W9zbuJREwYT83N6e6QgWz/4h4=";
   };
 
   useFetchCargoVendor = true;
-  cargoHash = "sha256-C8dfHszuD5OFbLDfA196a4NwMlLNaoXu4SE2pEu4pNQ=";
+  cargoHash = "sha256-dQY5mn6f5FhC34T+jpCX1u4s+5yJvTFUBttca7c7G3Y=";
 
   buildInputs = lib.optionals stdenv.hostPlatform.isDarwin [
     darwin.apple_sdk.frameworks.SystemConfiguration