diff --git a/pkgs/development/python-modules/ttp/default.nix b/pkgs/development/python-modules/ttp/default.nix
index d4200bc66f7d..2157af318110 100644
--- a/pkgs/development/python-modules/ttp/default.nix
+++ b/pkgs/development/python-modules/ttp/default.nix
@@ -19,14 +19,14 @@ let
 in
 buildPythonPackage rec {
   pname = "ttp";
-  version = "0.8.3";
+  version = "0.8.4";
   format = "setuptools";
 
   src = fetchFromGitHub {
     owner = "dmulyalin";
     repo = pname;
     rev = version;
-    sha256 = "0rnixz01dnxl1hmzh34v4w4c117ncldr33ws0m2hqhjf5n4kgrg3";
+    sha256 = "sha256-vuKlddqm8KirqAJyvBPfRb5Nw9zo4Fl1bwbfVMhmH9g=";
   };
 
   propagatedBuildInputs = [