diff --git a/pkgs/by-name/v2/v2rayn/package.nix b/pkgs/by-name/v2/v2rayn/package.nix
index e0a13d03aeddc..0bce75fa3d550 100644
--- a/pkgs/by-name/v2/v2rayn/package.nix
+++ b/pkgs/by-name/v2/v2rayn/package.nix
@@ -32,12 +32,14 @@ buildDotnetModule rec {
 
   nugetDeps = ./deps.json;
 
+  passthru.updateScript = ./update.sh;
+
   postPatch = ''
     substituteInPlace v2rayN/ServiceLib/Common/Utils.cs \
       --replace-fail "/bin/bash" "${bash}/bin/bash"
   '';
 
-  dotnetInstallFlags = [ "-p:PublishReadyToRun=false" ];
+  dotnetBuildFlags = [ "-p:PublishReadyToRun=false" ];
 
   dotnet-sdk = dotnetCorePackages.sdk_8_0;
 
diff --git a/pkgs/by-name/v2/v2rayn/update.sh b/pkgs/by-name/v2/v2rayn/update.sh
new file mode 100755
index 0000000000000..a886594a63d34
--- /dev/null
+++ b/pkgs/by-name/v2/v2rayn/update.sh
@@ -0,0 +1,8 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p bash nixVersions.latest nix-update
+
+set -eou pipefail
+
+nix-update v2rayn
+
+$(nix-build -A v2rayn.fetch-deps)