diff --git a/pkgs/development/python-modules/jsonrpclib-pelix/default.nix b/pkgs/development/python-modules/jsonrpclib-pelix/default.nix
index 622d76b9d95b..314e3433dadf 100644
--- a/pkgs/development/python-modules/jsonrpclib-pelix/default.nix
+++ b/pkgs/development/python-modules/jsonrpclib-pelix/default.nix
@@ -6,13 +6,12 @@
 
 buildPythonPackage rec {
   pname = "jsonrpclib-pelix";
-  version = "0.4.3.4";
+  version = "0.4.3.3";
   format = "setuptools";
 
   src = fetchPypi {
-    pname = "jsonrpclib_pelix";
-    inherit version;
-    hash = "sha256-6C1vTakHp9ER75P9I2HIwgt50ki+T+mWeOCGJqqPy+8=";
+    inherit pname version;
+    hash = "sha256-xJT+cQCxE5sTEUacKLwy0cuS5P8fRRH7cdaAcgXcN3M=";
   };
 
   doCheck = false; # test_suite="tests" in setup.py but no tests in pypi.