diff --git a/pkgs/development/python-modules/pytest-isort/default.nix b/pkgs/development/python-modules/pytest-isort/default.nix
index 9aa4410ec030..4c380b312e5e 100644
--- a/pkgs/development/python-modules/pytest-isort/default.nix
+++ b/pkgs/development/python-modules/pytest-isort/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "pytest-isort";
-  version = "0.3.1";
+  version = "1.0.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "4bfee60dad1870b51700d55a85f5ceda766bd9d3d2878c1bbabee80e61b1be1a";
+    sha256 = "758156cb4dc1db72adc1b7e253011f5eea117fab32af03cedb4cbfc6058b5f8f";
   };
 
   propagatedBuildInputs = [ isort ];