diff --git a/README.md b/README.md
index 3b7b68ea2062ca5a0e645e45f0723933bf7fb683..f9e2cdfcb267f6476cab5fb77372c506498f9be6 100644
--- a/README.md
+++ b/README.md
@@ -47,6 +47,7 @@ Consult the docs for how to disable it.
 
 ## v0.6.5
 
+* works on Python 3.10 and 3.11
 * fixed warnings about signed to unsigned comparison
 
 ## v0.6.4
diff --git a/setup.cfg b/setup.cfg
index 258fc301241bc807a99a246380e9b8b59cea854b..03652a6905faffb3eeffbe46e6760c6ca43d0c06 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -20,6 +20,8 @@ classifier =
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.10
+    Programming Language :: Python :: 3.11
     Programming Language :: Python :: Implementation :: CPython
     Operating System :: POSIX
     Operating System :: OS Independent