diff --git a/pkgs/development/python-modules/pysigma/default.nix b/pkgs/development/python-modules/pysigma/default.nix
index b6a38524766a..fb10c30d28db 100644
--- a/pkgs/development/python-modules/pysigma/default.nix
+++ b/pkgs/development/python-modules/pysigma/default.nix
@@ -18,14 +18,14 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "pysigma";
-  version = "1.1.0";
+  version = "1.1.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "SigmaHQ";
     repo = "pySigma";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-+YyRfEhPRZLIo9T4mpYL5a/37CwWxAcuEOF+coR7erM=";
+    hash = "sha256-WAW6TD+cAdtHGxpCHvgaoIAWiKZD7jVztx1vr69lzxI=";
   };
 
   pythonRelaxDeps = [