diff --git a/changelog.d/14673.doc b/changelog.d/14673.doc
new file mode 100644
index 0000000000000000000000000000000000000000..7baf5f7f38c950976a9e68ae98e759dc673a1e08
--- /dev/null
+++ b/changelog.d/14673.doc
@@ -0,0 +1 @@
+Declare support for Python 3.11.
diff --git a/docs/setup/installation.md b/docs/setup/installation.md
index 436041f8a8ca5fc817b8e24a66d6b4f626d67d0f..306085e005e290071ad2df327d04d07769dc8892 100644
--- a/docs/setup/installation.md
+++ b/docs/setup/installation.md
@@ -200,7 +200,7 @@ When following this route please make sure that the [Platform-specific prerequis
 System requirements:
 
 - POSIX-compliant system (tested on Linux & OS X)
-- Python 3.7 or later, up to Python 3.10.
+- Python 3.7 or later, up to Python 3.11.
 - At least 1GB of free RAM if you want to join large public rooms like #matrix:matrix.org
 
 If building on an uncommon architecture for which pre-built wheels are