diff --git a/pkgs/tools/networking/swaks/default.nix b/pkgs/tools/networking/swaks/default.nix
index 85e899894759..fb822177725a 100644
--- a/pkgs/tools/networking/swaks/default.nix
+++ b/pkgs/tools/networking/swaks/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "swaks";
-  version = "20190914.0";
+  version = "20201014.0";
 
   src = fetchurl {
     url = "https://www.jetmore.org/john/code/swaks/files/${pname}-${version}.tar.gz";
-    sha256 = "12awq5z4sdd54cxprj834zajxhkpy4jwhzf1fhigcx1zbhdaacsp";
+    sha256 = "0c2sx4nrh4whsqzj6m5ay8d7yqan3aqgg436p8jb25bs91ykn2pv";
   };
 
   buildInputs = [ perl makeWrapper ];
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     homepage = "http://www.jetmore.org/john/code/swaks/";
     description = "A featureful, flexible, scriptable, transaction-oriented SMTP test tool";
-    license = licenses.gpl2;
+    license = licenses.gpl2Plus;
     maintainers = with maintainers; [];
     platforms = platforms.all;
   };