diff --git a/source/more-info/unsupported/os.markdown b/source/more-info/unsupported/os.markdown
index 036808dbbd1..98f3412e180 100644
--- a/source/more-info/unsupported/os.markdown
+++ b/source/more-info/unsupported/os.markdown
@@ -8,7 +8,7 @@ description: "More information on why the OS marks the installation as unsupport
 There are only two supported operating systems to run the Supervisor on:
 
 - Home Assistant OS
-- Debian 10 (Buster)
+- Debian 11 (Bullseye)
 
 These operating systems are actively tested and maintained, for use with the Supervisor.