diff --git a/pkgs/development/python-modules/block-io/default.nix b/pkgs/development/python-modules/block-io/default.nix
index b823b8711a53..a76132e3e211 100644
--- a/pkgs/development/python-modules/block-io/default.nix
+++ b/pkgs/development/python-modules/block-io/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "block-io";
-  version = "1.1.15";
+  version = "2.0.4";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "97ea037a67af72037cb08cec7e0a9f7866ecdfaa1a8c8ebcc0f4b9359a1516d7";
+    sha256 = "817c9cd2ff76659caca4bb3d6758d5782a85f8c0ea13b08c4e14f0c2a8b7586d";
   };
 
   propagatedBuildInputs = [