diff --git a/vars/default_vars.yml b/vars/default_vars.yml
index a66ccb256..7b5882282 100644
--- a/vars/default_vars.yml
+++ b/vars/default_vars.yml
@@ -698,6 +698,7 @@ is_linuxmint: False    # Subset of is_ubuntu
 is_linuxmint_20: False
 
 is_debian: False    # Covers both: Debian, Raspberry Pi OS (Raspbian)
+is_debian_11: False
 is_debian_10: False
 is_debian_9: False
 is_debian_8: False