diff --git a/pkgs/development/python-modules/dotty-dict/default.nix b/pkgs/development/python-modules/dotty-dict/default.nix
index a2af0920da9e..9a665ec0b5fa 100644
--- a/pkgs/development/python-modules/dotty-dict/default.nix
+++ b/pkgs/development/python-modules/dotty-dict/default.nix
@@ -6,11 +6,11 @@
 
 buildPythonPackage rec {
   pname = "dotty_dict";
-  version = "1.3.0";
+  version = "1.3.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-6wA1o2KezYQ5emjx9C8elKvRw0V3oZzT6srTMe58uvA=";
+    sha256 = "sha256-SwFuA7iuJlU5dXpT66JLm/2lBvuU+84L7oQ8bwVUGhU=";
   };
 
   nativeBuildInputs = [ setuptools-scm ];