diff --git a/pkgs/development/python-modules/gtts/default.nix b/pkgs/development/python-modules/gtts/default.nix
index c4fc265a14fb..a2533376cc5f 100644
--- a/pkgs/development/python-modules/gtts/default.nix
+++ b/pkgs/development/python-modules/gtts/default.nix
@@ -17,14 +17,14 @@
 
 buildPythonPackage rec {
   pname = "gtts";
-  version = "2.5.1";
-  format = "pyproject";
+  version = "2.5.2";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "pndurette";
     repo = "gTTS";
     rev = "refs/tags/v${version}";
-    hash = "sha256-CCxD73fpHGsO4zSifWLQtgDkbPvPEnA2357umhOCNoI=";
+    hash = "sha256-4GIrj5pIk27euo2gzSKpRQaXNyI6aH0E6HNAivJthCE=";
   };
 
   build-system = [ setuptools ];