add deb 11, remove deb 9

davidhou17 · davidhou17 · commit b46cb45f4400 · 2022-09-20T16:48:25.000-04:00
diff --git a/source/compatibility.txt b/source/compatibility.txt
@@ -23,7 +23,7 @@ systems:
      - 2
      - ``x86-64``, ``ARM``
    * - Debian
-     - 9, 10
+     - 10, 11
      - ``x86-64``, ``ARM``
    * - MacOS
      - 10.0 and later
