diff --git a/pkgs/development/python-modules/kaitaistruct/default.nix b/pkgs/development/python-modules/kaitaistruct/default.nix
index a1e795421b0..61892063278 100644
--- a/pkgs/development/python-modules/kaitaistruct/default.nix
+++ b/pkgs/development/python-modules/kaitaistruct/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "kaitaistruct";
-  version = "0.8";
+  version = "0.9";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "d1d17c7f6839b3d28fc22b21295f787974786c2201e8788975e72e2a1d109ff5";
+    sha256 = "3d5845817ec8a4d5504379cc11bd570b038850ee49c4580bc0998c8fb1d327ad";
   };
 
   meta = with stdenv.lib; {