diff --git a/README.md b/README.md
index 2f02f5d67..2cc384a47 100644
--- a/README.md
+++ b/README.md
@@ -54,6 +54,7 @@ pip install dlisio
 | CPython 3.8   | ✅ | ✅  | ✅  | ✅ | ✅ |
 | CPython 3.9   | ✅ | ✅  | ✅  | ✅ | ✅ |
 | CPython 3.10  | ✅ | ✅  | -   | ✅ | ✅ |
+| CPython 3.11  | ✅ | ✅  | -   | ✅ | ✅ |
 
 See [Build dlisio](#Build-dlisio) for building dlisio from source.