diff --git a/pkgs/development/python-modules/azure-mgmt-cognitiveservices/default.nix b/pkgs/development/python-modules/azure-mgmt-cognitiveservices/default.nix
index a2d260339aca..b72ffdd4ea50 100644
--- a/pkgs/development/python-modules/azure-mgmt-cognitiveservices/default.nix
+++ b/pkgs/development/python-modules/azure-mgmt-cognitiveservices/default.nix
@@ -9,7 +9,7 @@
 
 buildPythonPackage rec {
   pname = "azure-mgmt-cognitiveservices";
-  version = "13.3.0";
+  version = "13.4.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.6";
@@ -17,7 +17,7 @@ buildPythonPackage rec {
   src = fetchPypi {
     inherit pname version;
     extension = "zip";
-    hash = "sha256-v1pTNPH0ujRm4VMt95Uw6d07lF8bgM3XIa3NJIbNLFI=";
+    hash = "sha256-GQXDIWOiKGqZqrzpNfvDR8hTU4KnpjZQKrLivcD0tsA=";
   };
 
   propagatedBuildInputs = [