diff --git a/pkgs/development/python-modules/pyjson5/default.nix b/pkgs/development/python-modules/pyjson5/default.nix
index 912f41364a76..c1661538395c 100644
--- a/pkgs/development/python-modules/pyjson5/default.nix
+++ b/pkgs/development/python-modules/pyjson5/default.nix
@@ -10,7 +10,7 @@
 
 buildPythonPackage rec {
   pname = "pyjson5";
-  version = "1.6.9";
+  version = "2.0.0";
   pyproject = true;
 
   disabled = pythonOlder "3.7";
@@ -19,7 +19,7 @@ buildPythonPackage rec {
     owner = "Kijewski";
     repo = "pyjson5";
     tag = "v${version}";
-    hash = "sha256-3uxuJvxTn6C3MWShXQlILPApgtumgGOeaaMlBvRaHiU=";
+    hash = "sha256-vHO354ZjaQirOWavfaDvenE+MLQLhWF3bCHa5Z1NNXg=";
     fetchSubmodules = true;
   };