diff --git a/pkgs/development/python-modules/pytun/default.nix b/pkgs/development/python-modules/pytun/default.nix
index fed78cea96f..b37dbf26fb7 100644
--- a/pkgs/development/python-modules/pytun/default.nix
+++ b/pkgs/development/python-modules/pytun/default.nix
@@ -5,15 +5,16 @@
 
 buildPythonPackage rec {
   pname = "pytun";
-  version = "2.2.1";
+  version = "2.3.0";
 
   src = fetchFromGitHub {
     rev = "v${version}";
     owner = "montag451";
     repo = "pytun";
-    sha256 = "1bxk0z0v8m0b01xg94f039j3bsclkshb7girvjqfzk5whbd2nryh";
+    sha256 = "1cqq8aci38058fjh4a0xf21wac177fw576p2yjl2b8jd9rnsqbl5";
   };
 
+  # Test directory contains examples, not tests.
   doCheck = false;
 
   meta = with stdenv.lib; {
@@ -23,5 +24,4 @@ buildPythonPackage rec {
     maintainers = with maintainers; [ montag451 ];
     platforms = platforms.linux;
   };
-
 }