diff --git a/pkgs/by-name/nx/nxwitness-client/package.nix b/pkgs/by-name/nx/nxwitness-client/package.nix
index 3087b24c8ac0..e34b7081d4d9 100644
--- a/pkgs/by-name/nx/nxwitness-client/package.nix
+++ b/pkgs/by-name/nx/nxwitness-client/package.nix
@@ -23,8 +23,8 @@
   xcbutilwm,
 }:
 let
-  version = "6.0.3";
-  build = "40736";
+  version = "6.0.6";
+  build = "41837";
 
   buildInputs = [
     glib
@@ -67,7 +67,7 @@ let
 
     src = fetchurl {
       url = "https://updates.networkoptix.com/default/${build}/linux/nxwitness-client-${finalAttrs.version}-linux_x64.deb";
-      hash = "sha256-flOTNKklovpvtFDWE64clL3Jk1cmT4SVgs1NQZZaXpc=";
+      hash = "sha256-qp3frZqVr6nJonUrcyM2xIliWkwf4aSge3oyWkrzzSs=";
     };
 
     nativeBuildInputs = [