diff --git a/pkgs/by-name/re/redumper/package.nix b/pkgs/by-name/re/redumper/package.nix
index 5fc933afcd26..d629fc4d26b7 100644
--- a/pkgs/by-name/re/redumper/package.nix
+++ b/pkgs/by-name/re/redumper/package.nix
@@ -9,13 +9,13 @@
 # redumper is using C++ modules, this requires latest C++20 compiler and build tools
 llvmPackages.libcxxStdenv.mkDerivation (finalAttrs: {
   pname = "redumper";
-  version = "666";
+  version = "686";
 
   src = fetchFromGitHub {
     owner = "superg";
     repo = "redumper";
     tag = "b${finalAttrs.version}";
-    hash = "sha256-B5c7ISlQhLBsRYcoCG18uLWkeODJUDGoRAd9n8EejNA=";
+    hash = "sha256-oyF8NLMgnNzUPgcwu7WvVoOFQt1qUuFMtzKxJqyOq9A=";
   };
 
   nativeBuildInputs = [