diff --git a/pkgs/development/python-modules/solax/default.nix b/pkgs/development/python-modules/solax/default.nix
index 12671a9f5fcf..7fa65384766a 100644
--- a/pkgs/development/python-modules/solax/default.nix
+++ b/pkgs/development/python-modules/solax/default.nix
@@ -14,14 +14,14 @@
 
 buildPythonPackage rec {
   pname = "solax";
-  version = "3.1.0";
+  version = "3.1.1";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-vc1NAbcQQxjpXnjZvTsnebzMc/LoMwBveDHBxBbhnEo=";
+    hash = "sha256-OgQ320UBDChQXPFMeulDx8NKNvajr399tuoAmsIEhFg=";
   };
 
   build-system = [ setuptools-scm ];