diff --git a/pkgs/development/python-modules/pysigma-backend-opensearch/default.nix b/pkgs/development/python-modules/pysigma-backend-opensearch/default.nix
index 2e2249fd9c54..5c689f81c0d6 100644
--- a/pkgs/development/python-modules/pysigma-backend-opensearch/default.nix
+++ b/pkgs/development/python-modules/pysigma-backend-opensearch/default.nix
@@ -12,7 +12,7 @@
 
 buildPythonPackage rec {
   pname = "pysigma-backend-opensearch";
-  version = "1.0.2";
+  version = "1.0.3";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -21,7 +21,7 @@ buildPythonPackage rec {
     owner = "SigmaHQ";
     repo = "pySigma-backend-opensearch";
     rev = "refs/tags/v${version}";
-    hash = "sha256-VEMt9CKbhPRj1182WcLOqF9JOEzorrz9Yyqp0+FAA88=";
+    hash = "sha256-whAvUgjPdZ0ePt0LkREJxJnLacNyQDWupdAinK3kJww=";
   };
 
   postPatch = ''