diff --git a/pkgs/development/python-modules/ppft/default.nix b/pkgs/development/python-modules/ppft/default.nix
index b9616b0c9230..bffb83169ef7 100644
--- a/pkgs/development/python-modules/ppft/default.nix
+++ b/pkgs/development/python-modules/ppft/default.nix
@@ -10,14 +10,14 @@
 
 buildPythonPackage rec {
   pname = "ppft";
-  version = "1.7.6.9";
+  version = "1.7.7";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-cxYcZ0dOqdgdBLza0WbTmc/z8ITV0twh691GwHW7wmU=";
+    hash = "sha256-8/d0SM/iTCuNIpa22HMigLJQQaPz4fVRhWxkUdPgG5Y=";
   };
 
   propagatedBuildInputs = [ six ];