diff --git a/pkgs/development/python-modules/pytest-xprocess/default.nix b/pkgs/development/python-modules/pytest-xprocess/default.nix
index 840a096a085..c6b9557fc57 100644
--- a/pkgs/development/python-modules/pytest-xprocess/default.nix
+++ b/pkgs/development/python-modules/pytest-xprocess/default.nix
@@ -5,11 +5,11 @@
 
 buildPythonPackage rec {
   pname = "pytest-xprocess";
-  version = "0.12.1";
+  version = "0.13.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "06w2acg0shy0vxrmnxpqclimhgfjys5ql5kmmzr7r1lai46x1q2h";
+    sha256 = "779aeca517cd9c996d1544bdc510cb3cff40c48136d94bbce6148e27f30a93ff";
   };
 
   propagatedBuildInputs = [ psutil pytest ];