diff --git a/pkgs/development/tools/misc/objconv/default.nix b/pkgs/development/tools/misc/objconv/default.nix
index c4265ba95b0..acd25a12f81 100644
--- a/pkgs/development/tools/misc/objconv/default.nix
+++ b/pkgs/development/tools/misc/objconv/default.nix
@@ -2,12 +2,12 @@
 
 stdenv.mkDerivation rec {
   name = "objconv-${version}";
-  version = "2.48";
+  version = "2.51";
 
   src = fetchurl {
     # Versioned archive of objconv sources maintained by orivej.
     url = "https://archive.org/download/objconv/${name}.zip";
-    sha256 = "1y4bmy99dfhyqykkib50fiwsha2a62s9ya1qsv5mwj21w1l0snj7";
+    sha256 = "0wp6ld9vk11f4nnkn56627zmlv9k5vafi99qa3yyn1pgcd61zcfs";
   };
 
   nativeBuildInputs = [ unzip ];