diff --git a/pkgs/development/python-modules/process-tests/default.nix b/pkgs/development/python-modules/process-tests/default.nix
index 5ebda6bf04c8..de43ea71fd48 100644
--- a/pkgs/development/python-modules/process-tests/default.nix
+++ b/pkgs/development/python-modules/process-tests/default.nix
@@ -5,11 +5,11 @@
 
 buildPythonPackage rec {
   pname = "process-tests";
-  version = "2.0.2";
+  version = "2.1.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "7ae24a680cc7c44e7687e3723e6e64597a28223ad664989999efe10dd38c2431";
+    sha256 = "15yrgr1hb7i0fq31dh6k8hmc3jnk6yn5nh4xh3gmszk9vag5zrqk";
   };
 
   # No tests