diff --git a/pkgs/tools/misc/vttest/default.nix b/pkgs/tools/misc/vttest/default.nix
index 0f3096cc4b06..a2bd46321b74 100644
--- a/pkgs/tools/misc/vttest/default.nix
+++ b/pkgs/tools/misc/vttest/default.nix
@@ -2,14 +2,14 @@
 
 stdenv.mkDerivation rec {
   pname = "vttest";
-  version = "20221111";
+  version = "20221229";
 
   src = fetchurl {
     urls = [
       "https://invisible-mirror.net/archives/${pname}/${pname}-${version}.tgz"
       "ftp://ftp.invisible-island.net/${pname}/${pname}-${version}.tgz"
     ];
-    sha256 = "sha256-asC/ZqWAc3gP3rdGMRT1HYCxzJ6O8djHNjBT/Nwxgac=";
+    sha256 = "sha256-a2oQmsrwVpz3Zg0g3NFTuD4yjpuT2uTnO5hbvMaxi/g=";
   };
 
   meta = with lib; {