diff --git a/pkgs/development/python-modules/google_cloud_texttospeech/default.nix b/pkgs/development/python-modules/google_cloud_texttospeech/default.nix
index d3249d9d344..f6dd120f1d3 100644
--- a/pkgs/development/python-modules/google_cloud_texttospeech/default.nix
+++ b/pkgs/development/python-modules/google_cloud_texttospeech/default.nix
@@ -7,11 +7,11 @@
 
 buildPythonPackage rec {
   pname = "google-cloud-texttospeech";
-  version = "0.2.0";
+  version = "0.3.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "6064bc6e2761694b708878ff3d5902c6ce5eb44a770a921e7a99caf6c2533ae3";
+    sha256 = "39d2c83ee198ec1995c03faf5d557089e7027a8356802302dee08b18380c8250";
   };
 
   checkInputs = [ pytest ];