diff --git a/pkgs/by-name/pr/protolint/package.nix b/pkgs/by-name/pr/protolint/package.nix
index 85c9ec9fe51f..a63522616cd2 100644
--- a/pkgs/by-name/pr/protolint/package.nix
+++ b/pkgs/by-name/pr/protolint/package.nix
@@ -5,13 +5,13 @@
 }:
 buildGoModule rec {
   pname = "protolint";
-  version = "0.56.1";
+  version = "0.56.4";
 
   src = fetchFromGitHub {
     owner = "yoheimuta";
     repo = "protolint";
     rev = "v${version}";
-    hash = "sha256-fz7hypg07okEg0Z4XiA5NGh6I8oLFO4coJscTvxLWFw=";
+    hash = "sha256-2R+TW8z3XgjavK19PGy9hMpN8WOSeWbb/vcSWbbBmJc=";
   };
 
   vendorHash = "sha256-RS0t7n6pLYVKHluQtXsMjYL1SvN7IZFdKmkxOI8wFoE=";