diff --git a/pkgs/development/python-modules/coveralls/default.nix b/pkgs/development/python-modules/coveralls/default.nix
index 96f3782ab8d..c7d046eb019 100644
--- a/pkgs/development/python-modules/coveralls/default.nix
+++ b/pkgs/development/python-modules/coveralls/default.nix
@@ -16,12 +16,12 @@
 buildPythonPackage rec {
   pname = "coveralls";
   name = "${pname}-python-${version}";
-  version = "1.9.2";
+  version = "2.0.0";
 
   # wanted by tests
   src = fetchPypi {
     inherit pname version;
-    sha256 = "8e3315e8620bb6b3c6f3179a75f498e7179c93b3ddc440352404f941b1f70524";
+    sha256 = "d213f5edd49053d03f0db316ccabfe17725f2758147afc9a37eaca9d8e8602b5";
   };
 
   checkInputs = [