diff --git a/pkgs/development/python-modules/cryptoparser/default.nix b/pkgs/development/python-modules/cryptoparser/default.nix
index 846b2643ebc9..5e076f9dd8ae 100644
--- a/pkgs/development/python-modules/cryptoparser/default.nix
+++ b/pkgs/development/python-modules/cryptoparser/default.nix
@@ -13,14 +13,14 @@
 
 buildPythonPackage rec {
   pname = "cryptoparser";
-  version = "0.12.5";
+  version = "1.0.0";
   pyproject = true;
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-t8vK7T6nz1iH81fTMEYkQv7E7EjmkTx3u4zUIybEm5E=";
+    hash = "sha256-bEvhMVcm9sXlfhxUD2K4N10nusgxpGYFJQLtJE1/qok=";
   };
 
   postPatch = ''