diff --git a/pkgs/development/python-modules/tpm2-pytss/default.nix b/pkgs/development/python-modules/tpm2-pytss/default.nix
index e003d075a158..e3e76da73443 100644
--- a/pkgs/development/python-modules/tpm2-pytss/default.nix
+++ b/pkgs/development/python-modules/tpm2-pytss/default.nix
@@ -17,12 +17,12 @@
 
 buildPythonPackage rec {
   pname = "tpm2-pytss";
-  version = "1.1.0";
+  version = "1.2.0";
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-O0d1b99/V8b3embg8veerTrJGSVb/prlPVb7qSHErdQ=";
+    sha256 = "sha256-OgWWTjcj3Qd4dSaCwY+fuRQpLSFn4+9o11kPR9n8a54=";
   };
 
   nativeBuildInputs = [