diff --git a/pkgs/by-name/ni/nix-index-unwrapped/package.nix b/pkgs/by-name/ni/nix-index-unwrapped/package.nix
index 5ac4b98cea72..3c952f49dc2f 100644
--- a/pkgs/by-name/ni/nix-index-unwrapped/package.nix
+++ b/pkgs/by-name/ni/nix-index-unwrapped/package.nix
@@ -10,13 +10,13 @@
 
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "nix-index";
-  version = "0.1.9";
+  version = "0.1.9-unstable-2026-02-05";
 
   src = fetchFromGitHub {
     owner = "nix-community";
     repo = "nix-index";
-    rev = "v${finalAttrs.version}";
-    hash = "sha256-kOVmgST/D3zNOcGVu1ReuPuVrUx41iRK4rs59lqYX74=";
+    rev = "8c84f67a33c4c26ec12f166cb5f63a77fafebe21";
+    hash = "sha256-8ZMKtBbsBPbccEWH1XHCYsxXX4hckHXwQNr5OzGrU0Q=";
   };
 
   cargoHash = "sha256-0yrTPrxN/4TOALqpQ5GW7LXKisc8msx3DvEpg8uO+IQ=";