diff --git a/pkgs/development/python-modules/pyviz-comms/default.nix b/pkgs/development/python-modules/pyviz-comms/default.nix
index e9e07de4df2d..3b96fbc50ec3 100644
--- a/pkgs/development/python-modules/pyviz-comms/default.nix
+++ b/pkgs/development/python-modules/pyviz-comms/default.nix
@@ -7,11 +7,11 @@
 
 buildPythonPackage rec {
   pname = "pyviz_comms";
-  version = "0.7.6";
+  version = "2.1.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-zZZJqeqd/LmzTXj5pk4YcKqLa5TeVG4smca7U9ZKtdE=";
+    sha256 = "f4a7126f318fb6b964fef3f92fa55bc46b9218f62a8464a8b18e968b3087dbc0";
   };
 
   propagatedBuildInputs = [ param ];