diff --git a/CHANGES.rst b/CHANGES.rst
index 60090eeee18..d240e7d26ff 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,3 +1,12 @@
+Release 7.3.4 (released Apr 17, 2024)
+=====================================
+
+Bugs fixed
+----------
+
+* Handle cases when ``Any`` is not an instance of ``type``.
+  Patch by Adam Turner.
+
 Release 7.3.3 (released Apr 17, 2024)
 =====================================
 
diff --git a/sphinx/__init__.py b/sphinx/__init__.py
index 6dcd841fe59..bfbdbb299c4 100644
--- a/sphinx/__init__.py
+++ b/sphinx/__init__.py
@@ -1,6 +1,6 @@
 """The Sphinx documentation toolchain."""
 
-__version__ = '7.3.3'
+__version__ = '7.3.4'
 __display_version__ = __version__  # used for command line version
 
 # Keep this file executable as-is in Python 3!
@@ -28,7 +28,7 @@
 #:
 #: .. versionadded:: 1.2
 #:    Before version 1.2, check the string ``sphinx.__version__``.
-version_info = (7, 3, 3, 'final', 0)
+version_info = (7, 3, 4, 'final', 0)
 
 package_dir = path.abspath(path.dirname(__file__))
 
diff --git a/sphinx/config.py b/sphinx/config.py
index 84e20f6e59f..e4a3c99b008 100644
--- a/sphinx/config.py
+++ b/sphinx/config.py
@@ -532,7 +532,7 @@ def _validate_valid_types(
         return ()
     if isinstance(valid_types, (frozenset, ENUM)):
         return valid_types
-    if isinstance(valid_types, type):
+    if isinstance(valid_types, type) or valid_types is Any:
         return frozenset((valid_types,))
     if isinstance(valid_types, set):
         return frozenset(valid_types)