diff --git a/pkgs/development/python-modules/pycaption/default.nix b/pkgs/development/python-modules/pycaption/default.nix
index c9dc3bf8e112..ad1c7c1cec50 100644
--- a/pkgs/development/python-modules/pycaption/default.nix
+++ b/pkgs/development/python-modules/pycaption/default.nix
@@ -5,13 +5,14 @@
 , beautifulsoup4
 , lxml
 , cssutils
+, nltk
 , pytest-lazy-fixture
 , pytestCheckHook
 }:
 
 buildPythonPackage rec {
   pname = "pycaption";
-  version = "2.1.0";
+  version = "2.1.1";
 
   disabled = pythonOlder "3.6";
 
@@ -19,7 +20,7 @@ buildPythonPackage rec {
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-mV//EYdP7wKYD3Vc49z6LQVQeOuhzNKFZLf28RYdABk=";
+    hash = "sha256-B+uIh8WTPPeNVU3yP8FEGc8OinY0MpJb9dHLC+nhi4I=";
   };
 
   propagatedBuildInputs = [
@@ -28,6 +29,10 @@ buildPythonPackage rec {
     cssutils
   ];
 
+  passthru.optional-dependencies = {
+    transcript = [ nltk ];
+  };
+
   nativeCheckInputs = [
     pytest-lazy-fixture
     pytestCheckHook