diff --git a/pkgs/tools/networking/pssh/default.nix b/pkgs/tools/networking/pssh/default.nix
index 1d7d006f537a..69236a690968 100644
--- a/pkgs/tools/networking/pssh/default.nix
+++ b/pkgs/tools/networking/pssh/default.nix
@@ -1,14 +1,14 @@
-{ lib, fetchFromGitHub, python2Packages, openssh, rsync }:
+{ lib, fetchFromGitHub, python3Packages, openssh, rsync }:
 
-python2Packages.buildPythonApplication rec {
+python3Packages.buildPythonApplication rec {
   pname = "pssh";
-  version = "2.3.1";
+  version = "2.3.4";
 
   src = fetchFromGitHub {
     owner = "lilydjwg";
     repo = "pssh";
     rev = "v${version}";
-    sha256 = "0nawarxczfwajclnlsimhqkpzyqb1byvz9nsl54mi1bp80z5i4jq";
+    hash = "sha256-B1dIa6hNeq4iE8GKVhTp3Gzq7vp+v5Yyzj8uF8X71yg=";
   };
 
   postPatch = ''
@@ -20,6 +20,9 @@ python2Packages.buildPythonApplication rec {
     done
   '';
 
+  # Tests do not run with python3: https://github.com/lilydjwg/pssh/issues/126
+  doCheck = false;
+
   meta = with lib; {
     description = "Parallel SSH Tools";
     longDescription = ''