diff --git a/pkgs/development/python-modules/ckzg/default.nix b/pkgs/development/python-modules/ckzg/default.nix
index 135c354d1224..d9d1993eef1b 100644
--- a/pkgs/development/python-modules/ckzg/default.nix
+++ b/pkgs/development/python-modules/ckzg/default.nix
@@ -13,14 +13,14 @@
 
 buildPythonPackage rec {
   pname = "ckzg";
-  version = "2.0.1";
+  version = "2.1.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "ethereum";
     repo = "c-kzg-4844";
     tag = "v${version}";
-    hash = "sha256-kOoodri80p5tz8RlMz6mqsZRAuXBxZm4vr+VWJEtfA0=";
+    hash = "sha256-gmH3JR05LkZvjYXf25Ar3rfh9DqabqJr7Vpe1QuRqNA=";
   };
 
   build-system = [ setuptools ];
@@ -53,7 +53,7 @@ buildPythonPackage rec {
   meta = {
     description = "Minimal implementation of the Polynomial Commitments API for EIP-4844 and EIP-7594";
     homepage = "https://github.com/ethereum/c-kzg-4844";
-    changelog = "https://github.com/ethereum/c-kzg-4844/releases/tag/v${version}";
+    changelog = "https://github.com/ethereum/c-kzg-4844/releases/tag/${src.tag}";
     license = lib.licenses.asl20;
     maintainers = with lib.maintainers; [ hellwolf ];
   };