diff --git a/pkgs/development/python-modules/alerta-server/default.nix b/pkgs/development/python-modules/alerta-server/default.nix
index 7d118f41f358..fd3901f51817 100644
--- a/pkgs/development/python-modules/alerta-server/default.nix
+++ b/pkgs/development/python-modules/alerta-server/default.nix
@@ -4,11 +4,11 @@
 
 buildPythonPackage rec {
   pname = "alerta-server";
-  version = "6.7.3";
+  version = "6.7.4";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "9ce0ff9bdf1faef2c2bfaef5b213824dc9a307ba1c85f9627dd3f4b88616f4d4";
+    sha256 = "5ca2783f6e9211fdebd433b9eae83fbcf75ed127dc87946257d101a7d7a465db";
   };
 
   buildInputs = [ python-dateutil requests pymongo raven bcrypt flask pyjwt flask-cors psycopg2 pytz flask-compress jinja2 ];