diff --git a/pkgs/development/python-modules/heatshrink2/default.nix b/pkgs/development/python-modules/heatshrink2/default.nix
index 034857ba6361..24182bc73bd3 100644
--- a/pkgs/development/python-modules/heatshrink2/default.nix
+++ b/pkgs/development/python-modules/heatshrink2/default.nix
@@ -7,7 +7,7 @@
 
 buildPythonPackage rec {
   pname = "heatshrink2";
-  version = "0.12.0";
+  version = "0.13.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -17,7 +17,7 @@ buildPythonPackage rec {
     repo = "pyheatshrink";
     rev = "refs/tags/${version}";
     fetchSubmodules = true;
-    hash = "sha256-JthHYq78SYr49+sTNtLZ8GjtrHcr1dzXcPskTrb4M3o=";
+    hash = "sha256-gspMd3Fyxe2/GhZYdKjVcZXRlslay3jO4jZuVG79G44=";
   };
 
   pythonImportsCheck = [ "heatshrink2" ];