diff --git a/pkgs/by-name/se/ser2net/package.nix b/pkgs/by-name/se/ser2net/package.nix
index 3a4688b4985d..a44e9141344e 100644
--- a/pkgs/by-name/se/ser2net/package.nix
+++ b/pkgs/by-name/se/ser2net/package.nix
@@ -11,13 +11,13 @@
 
 stdenv.mkDerivation rec {
   pname = "ser2net";
-  version = "4.6.5";
+  version = "4.6.6";
 
   src = fetchFromGitHub {
     owner = "cminyard";
     repo = "ser2net";
     rev = "v${version}";
-    hash = "sha256-Iyr0ix+V9EXK01RceVQLc37tN/b83TvhUfuD+HSUjc0=";
+    hash = "sha256-TL6btl8Q8hpIBfzHdJ+TLdF+r9zQRLytzVx810R7yYI=";
   };
 
   passthru = {