diff --git a/README.md b/README.md
index 704e826..7eaa4b9 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,6 @@ Supported Linux distributions and versions:
 - Debian 10
 - Ubuntu 22.04
 - Ubuntu 20.04
-- Ubuntu 18.04
 
 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 a318095..07f7876 100755
--- a/xo-install.sh
+++ b/xo-install.sh
@@ -1289,8 +1289,8 @@ function CheckOS {
         exit 1
     fi
 
-    if [[ "$OSNAME" == "Ubuntu" ]] && [[ ! "$OSVERSION" =~ ^(18|20|22)$ ]]; then
-        printfail "Only Ubuntu 18/20/22 supported"
+    if [[ "$OSNAME" == "Ubuntu" ]] && [[ ! "$OSVERSION" =~ ^(20|22)$ ]]; then
+        printfail "Only Ubuntu 20/22 supported"
         exit 1
     fi