diff --git a/pkgs/by-name/pr/proto/package.nix b/pkgs/by-name/pr/proto/package.nix
index 7c63991f9c62..7d022fe28934 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 = "0.49.1";
+  version = "0.50.0";
 
   src = fetchFromGitHub {
     owner = "moonrepo";
     repo = "proto";
     rev = "v${version}";
-    hash = "sha256-VtU59YvNqpHvZ1WRj87Heo8RDyCOzleB+odE4DOQYag=";
+    hash = "sha256-ilbqT5826FB20uCzt2a6QYCD2rDNto7nxz1mjHGDbAA=";
   };
 
   useFetchCargoVendor = true;
-  cargoHash = "sha256-wPB4YBNzDg9eoVCY4bbbvKu171Qdh7JJZIT9rD5hVdI=";
+  cargoHash = "sha256-bAsFzu1RzOMufFb2WCRd0pDl8O8eVsoZn79BPWql1xg=";
 
   buildInputs = lib.optionals stdenv.hostPlatform.isDarwin [
     libiconv