diff --git a/pkgs/by-name/ne/netgen-vlsi/package.nix b/pkgs/by-name/ne/netgen-vlsi/package.nix
index 5c7f3173ff18..81b7afb448b4 100644
--- a/pkgs/by-name/ne/netgen-vlsi/package.nix
+++ b/pkgs/by-name/ne/netgen-vlsi/package.nix
@@ -10,13 +10,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "netgen";
-  version = "1.5.320";
+  version = "1.5.321";
 
   src = fetchFromGitHub {
     owner = "RTimothyEdwards";
     repo = "netgen";
     tag = finalAttrs.version;
-    hash = "sha256-h4SESGTjeD8vtLiLFSkIlnBVQfysQvxWp4E5nS1wu4Y=";
+    hash = "sha256-jq7JvChnNSeZf7OrV9EIiOPv5nDqs6r8L9TY6k4vGXc=";
   };
 
   strictDeps = true;