diff --git a/pkgs/development/python-modules/pyeclib/default.nix b/pkgs/development/python-modules/pyeclib/default.nix
index d55fb416a79..7dd36c8fd6a 100644
--- a/pkgs/development/python-modules/pyeclib/default.nix
+++ b/pkgs/development/python-modules/pyeclib/default.nix
@@ -1,12 +1,14 @@
-{ lib, stdenv, buildPythonPackage, fetchPypi, liberasurecode, six }:
+{ lib, stdenv, buildPythonPackage, fetchFromGitHub, liberasurecode, six }:
 
 buildPythonPackage rec {
   pname = "pyeclib";
-  version = "1.6.0";
+  version = "unstable-2022-03-11";
 
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "sha256-gBHjHuia5/uZymkWZgyH4BCEZqmWK9SXowAQIJdOO7E=";
+  src = fetchFromGitHub {
+    owner = "openstack";
+    repo = "pyeclib";
+    rev = "b50040969a03f7566ffcb468336e875d21486113";
+    sha256 = "sha256-nYYjocStC0q/MC6pum3J4hlXiu/R5xODwIE97Ho3iEY=";
   };
 
   postPatch = ''