diff --git a/pkgs/development/python-modules/avro-python3/default.nix b/pkgs/development/python-modules/avro-python3/default.nix
index a727b6b33cb7..63aec09a8efb 100644
--- a/pkgs/development/python-modules/avro-python3/default.nix
+++ b/pkgs/development/python-modules/avro-python3/default.nix
@@ -16,7 +16,7 @@ buildPythonPackage (finalAttrs: {
 
   src = fetchPypi {
     inherit (finalAttrs) pname version;
-    sha256 = "3b63f24e6b04368c3e4a6f923f484be0230d821aad65ac36108edbff29e9aaab";
+    hash = "sha256-O2PyTmsENow+Sm+SP0hL4CMNghqtZaw2EI7b/ynpqqs=";
   };
 
   build-system = [ setuptools ];