diff --git a/README.adoc b/README.adoc
index 2e6a72f..723cfe2 100644
--- a/README.adoc
+++ b/README.adoc
@@ -64,8 +64,8 @@ sudo apt install epubgrep
 --------------------------------------------------------------------------------
 
 Replace _[code name]_ with the code name of your installation. Packages are
-available for *buster* (Debian 10), *focal* (Ubuntu 20.04) and *bionic* (Ubuntu
-18.04).
+available for *bullseye* (Debian 11), *buster* (Debian 10), *focal* (Ubuntu
+20.04) and *bionic* (Ubuntu 18.04).
 
 [TIP]
 If you get the error message that `add-apt-repository` was not found, install