diff --git a/CHANGES.rst b/CHANGES.rst
index 4e43e958..d2b4cfe1 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -6,6 +6,14 @@ Unreleased
 -   Remove previously deprecated code: ``__version__``. :pr:`5648`
 
 
+Version 3.1.1
+-------------
+
+Unreleased
+
+-   Fix type hint for `cli_runner.invoke`. :issue:`5645`
+
+
 Version 3.1.0
 -------------
 
diff --git a/docs/conf.py b/docs/conf.py
index 25b8f004..a7b8f919 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -62,6 +62,9 @@ html_logo = "_static/flask-vertical.png"
 html_title = f"Flask Documentation ({version})"
 html_show_sourcelink = False
 
+gettext_uuid = True
+gettext_compact = False
+
 # Local Extensions -----------------------------------------------------
 
 
diff --git a/src/flask/testing.py b/src/flask/testing.py
index 602b773b..a62c4836 100644
--- a/src/flask/testing.py
+++ b/src/flask/testing.py
@@ -10,6 +10,7 @@ from urllib.parse import urlsplit
 
 import werkzeug.test
 from click.testing import CliRunner
+from click.testing import Result
 from werkzeug.test import Client
 from werkzeug.wrappers import Request as BaseRequest
 
@@ -273,7 +274,7 @@ class FlaskCliRunner(CliRunner):
 
     def invoke(  # type: ignore
         self, cli: t.Any = None, args: t.Any = None, **kwargs: t.Any
-    ) -> t.Any:
+    ) -> Result:
         """Invokes a CLI command in an isolated environment. See
         :meth:`CliRunner.invoke <click.testing.CliRunner.invoke>` for
         full method documentation. See :ref:`testing-cli` for examples.