diff --git a/packages/nic_bus/default.nix b/packages/nic_bus/default.nix
index f857a51..9ed1563 100644
--- a/packages/nic_bus/default.nix
+++ b/packages/nic_bus/default.nix
@@ -3,12 +3,12 @@
 { stdenv, fetchgit, tup }:
 stdenv.mkDerivation rec {
   pname = "nic_bus";
-  version = "2.0";
+  version = "2.1";
 
   src = fetchgit {
     url = "https://git.sr.ht/~ehmry/nic_bus";
-    rev = "e4e7c5f4af7d6129f64afb019045c40508a619ee";
-    sha256 = "0bz86lrwv47sclv2gm4mj9b0rak7i4ixx1r5vzcm1iqr328dpr9n";
+    rev = "v" + version;
+    sha256 = "sha256-NuXbkBgZx1DZ3yWH3iOJZ6oMVpKV1Cc2ZfqQzTM16C8=";
   };
 
   nativeBuildInputs = [ tup ];