diff --git a/CHANGES.md b/CHANGES.md
index c8b9c84..0d409d7 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -10,6 +10,7 @@
 - Add partial support for the match statement. As it's experimental, it's only enabled
   when `--target-version py310` is explicitly specified (#2586)
 - Add support for parenthesized with (#2586)
+- Declare support for Python 3.10 for running Black (#2562)
 
 ## 21.10b0
 
diff --git a/setup.py b/setup.py
index a0c2006..1914ba7 100644
--- a/setup.py
+++ b/setup.py
@@ -104,6 +104,7 @@ def get_long_description() -> str:
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3 :: Only",
         "Topic :: Software Development :: Libraries :: Python Modules",
         "Topic :: Software Development :: Quality Assurance",