diff --git a/pkgs/development/python-modules/ppft/default.nix b/pkgs/development/python-modules/ppft/default.nix
index 99a4a9521a61..42b741fa7d56 100644
--- a/pkgs/development/python-modules/ppft/default.nix
+++ b/pkgs/development/python-modules/ppft/default.nix
@@ -9,12 +9,12 @@
 
 buildPythonPackage rec {
   pname = "ppft";
-  version = "1.7.7";
+  version = "1.7.8";
   format = "setuptools";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-8/d0SM/iTCuNIpa22HMigLJQQaPz4fVRhWxkUdPgG5Y=";
+    hash = "sha256-X2ltTzl66bCvObH6/7MZV8Ud+8WjgVhWRy1PTocpN+4=";
   };
 
   propagatedBuildInputs = [ six ];