diff --git a/README.md b/README.md
index 3a74d8c..47a8dad 100644
--- a/README.md
+++ b/README.md
@@ -44,12 +44,9 @@ Supported Linux distributions and versions:
 - Rocky Linux 8
 - Debian 11
 - Debian 10
-- Debian 9
-- Debian 8
 - Ubuntu 22.04
 - Ubuntu 20.04
 - Ubuntu 18.04
-- Ubuntu 16.04
 
 Only x86_64 architecture is supported. For all those raspberry pi users out there, check [container](https://hub.docker.com/r/ronivay/xen-orchestra) instead.
 
diff --git a/xo-install.sh b/xo-install.sh
index cb2c2bf..3e9d6f3 100755
--- a/xo-install.sh
+++ b/xo-install.sh
@@ -1278,13 +1278,13 @@ function CheckOS {
         exit 1
     fi
 
-    if [[ "$OSNAME" == "Debian" ]] && [[ ! "$OSVERSION" =~ ^(8|9|10|11)$ ]]; then
-        printfail "Only Debian 8/9/10/11 supported"
+    if [[ "$OSNAME" == "Debian" ]] && [[ ! "$OSVERSION" =~ ^(10|11)$ ]]; then
+        printfail "Only Debian 10/11 supported"
         exit 1
     fi
 
-    if [[ "$OSNAME" == "Ubuntu" ]] && [[ ! "$OSVERSION" =~ ^(16|18|20|22)$ ]]; then
-        printfail "Only Ubuntu 16/18/20/22 supported"
+    if [[ "$OSNAME" == "Ubuntu" ]] && [[ ! "$OSVERSION" =~ ^(18|20|22)$ ]]; then
+        printfail "Only Ubuntu 18/20/22 supported"
         exit 1
     fi