diff --git a/pkgs/development/python-modules/mayim/default.nix b/pkgs/development/python-modules/mayim/default.nix
index 4f10e581ad05..269c22b73987 100644
--- a/pkgs/development/python-modules/mayim/default.nix
+++ b/pkgs/development/python-modules/mayim/default.nix
@@ -18,14 +18,14 @@
 
 buildPythonPackage rec {
   pname = "mayim";
-  version = "1.3.0";
+  version = "1.3.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "ahopkins";
     repo = "mayim";
     tag = "v${version}";
-    hash = "sha256-mXGbPPO19H6fsWkvRzYyIVykHRryQo46WtH/XfqSIgY=";
+    hash = "sha256-RJMPqqmvpwvdRTaVznxGunvC0/KlL0z1GUX1VBTCbwo=";
   };
 
   build-system = [