diff --git a/pkgs/development/python-modules/pex/default.nix b/pkgs/development/python-modules/pex/default.nix
index 4d6085e6deb3..305f47a17f05 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 = "2.1.76";
+  version = "2.1.77";
   format = "flit";
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-a/e0tz67QR7SSYQRt3tJqgCGJLn6oi0+3HMpg8NKRH8=";
+    hash = "sha256-lvzRb+m3a3DmimzVIroobJaNe2PuMoadb48YwhxCVvA=";
   };
 
   nativeBuildInputs = [