diff --git a/pkgs/by-name/ne/netgen-vlsi/package.nix b/pkgs/by-name/ne/netgen-vlsi/package.nix
index 81b7afb448b4..bad98953d464 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 = "1.5.321";
+  version = "1.5.323";
 
   src = fetchFromGitHub {
     owner = "RTimothyEdwards";
     repo = "netgen";
     tag = finalAttrs.version;
-    hash = "sha256-jq7JvChnNSeZf7OrV9EIiOPv5nDqs6r8L9TY6k4vGXc=";
+    hash = "sha256-L8DJdk5lkb/qh5GbZK9eDNq1eZPEQq4ZZsBQPDJcKJ0=";
   };
 
   strictDeps = true;