diff --git a/pkgs/development/python-modules/py7zr/default.nix b/pkgs/development/python-modules/py7zr/default.nix
index 4c3ab83bdd40..9e8c075aba85 100644
--- a/pkgs/development/python-modules/py7zr/default.nix
+++ b/pkgs/development/python-modules/py7zr/default.nix
@@ -24,14 +24,14 @@
 
 buildPythonPackage rec {
   pname = "py7zr";
-  version = "1.1.0";
+  version = "1.1.3";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "miurahr";
     repo = "py7zr";
     tag = "v${version}";
-    hash = "sha256-lWZni9yhS5otWL1cyi8qZx2JLExbDiTPTadKKnDB2Ds=";
+    hash = "sha256-/sorvv5/kwlY/DtxW33ytHhyrR06p6aNgGW9oH+lpUw=";
   };
 
   build-system = [