diff --git a/pkgs/development/python-modules/pysma/default.nix b/pkgs/development/python-modules/pysma/default.nix
index bd7f782675d0..7795900f8957 100644
--- a/pkgs/development/python-modules/pysma/default.nix
+++ b/pkgs/development/python-modules/pysma/default.nix
@@ -14,14 +14,14 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "pysma";
-  version = "1.1.3";
+  version = "1.1.2";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "kellerza";
     repo = "pysma";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-0+hnsHFTZHyhtLiYe7V2SjmS6powjgER4azcVTUV0+A=";
+    hash = "sha256-w+uOmFJkfT0speP5hCdWVwGUbyNlidwunsx3Z9O3X9Q=";
   };
 
   postPatch = ''