diff --git a/pkgs/development/python-modules/pex/default.nix b/pkgs/development/python-modules/pex/default.nix
index ad8de4b2d138..56d36ebdda56 100644
--- a/pkgs/development/python-modules/pex/default.nix
+++ b/pkgs/development/python-modules/pex/default.nix
@@ -7,14 +7,14 @@
 
 buildPythonPackage rec {
   pname = "pex";
-  version = "2.1.142";
+  version = "2.1.143";
   format = "flit";
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-+2WJEOL+rtdl9dZmXqkaRRuj7TzDZn93tyZXxPWRaBM=";
+    hash = "sha256-xyYD9oGrlK1kswQ7uiO3/gAJUnelvWv7ZHyzn/g5iCg=";
   };
 
   nativeBuildInputs = [