diff --git a/pkgs/development/python-modules/blocksat-cli/default.nix b/pkgs/development/python-modules/blocksat-cli/default.nix
index 6c943d5ae57c..4c5b96bce538 100644
--- a/pkgs/development/python-modules/blocksat-cli/default.nix
+++ b/pkgs/development/python-modules/blocksat-cli/default.nix
@@ -13,11 +13,11 @@
 
 buildPythonPackage rec {
   pname = "blocksat-cli";
-  version = "0.4.1";
+  version = "0.4.2";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "96ec5e548dcdb71ada75727d76b34006fe5f6818bd89cf982e15616d41889603";
+    sha256 = "sha256-hz5BGE+gqOrPiXvmeOTOecm2RUrTvM/xxvV3cnO2QSc=";
   };
 
   propagatedBuildInputs = [