diff --git a/pkgs/development/python-modules/lsi/default.nix b/pkgs/development/python-modules/lsi/default.nix
index ebf98d9e7b2..2277a2be92f 100644
--- a/pkgs/development/python-modules/lsi/default.nix
+++ b/pkgs/development/python-modules/lsi/default.nix
@@ -9,12 +9,12 @@
 
 buildPythonPackage rec {
   pname = "lsi";
-  version = "0.2.2";
+  version = "0.4.0";
   disabled = isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0429iilb06yhsmvj3xp6wyhfh1rp4ndxlhwrm80r97z0w7plrk94";
+    sha256 = "b2c4a9a276a32f914a6193509503c28b3cc84bf42d58e191214811cfe78f4736";
   };
 
   propagatedBuildInputs = [ colored boto pkgs.openssh pkgs.which ];