diff --git a/misc/build.func b/misc/build.func
index 50664ea8..35c623ed 100644
--- a/misc/build.func
+++ b/misc/build.func
@@ -77,15 +77,37 @@ root_check() {
 
 # This function checks the version of Proxmox Virtual Environment (PVE) and exits if the version is not supported.
 pve_check() {
-  if ! pveversion | grep -Eq "pve-manager/8\.[0-4](\.[0-9]+)*"; then
-    msg_error "${CROSS}${RD}This version of Proxmox Virtual Environment is not supported"
-    echo -e "Requires Proxmox Virtual Environment Version 8.1 or later."
-    echo -e "Exiting..."
-    sleep 2
-    exit
+  local PVE_VER
+  PVE_VER="$(pveversion | awk -F'/' '{print $2}' | awk -F'-' '{print $1}')"
+
+  # 8 Version Check
+  if [[ "$PVE_VER" =~ ^8\.([0-9]+) ]]; then
+    local MINOR="${BASH_REMATCH[1]}"
+    if (( MINOR < 1 || MINOR > 4 )); then
+      msg_error "This version of Proxmox Virtual Environment is not supported"
+      echo -e "Requires Proxmox Virtual Environment Version 8.1 – 8.4"
+      echo -e "Exiting..."
+      sleep 2
+      exit 1
+    fi
+    return 0
   fi
+
+  # 9 Beta Version Check
+  if [[ "$PVE_VER" =~ ^9\.([0-9]+) ]]; then
+    msg_custom "Detected Proxmox Virtual Environment $PVE_VER – Beta state, use with caution!"
+    return 0
+  fi
+
+  # All others (unsupported versions)
+  msg_error "This version of Proxmox Virtual Environment is not supported"
+  echo -e "Requires Proxmox Virtual Environment Version 8.1 – 8.4 or 9.x (Beta)"
+  echo -e "Exiting..."
+  sleep 2
+  exit 1
 }
 
+
 # When a node is running tens of containers, it's possible to exceed the kernel's cryptographic key storage allocations.
 # These are tuneable, so verify if the currently deployment is approaching the limits, advise the user on how to tune the limits, and exit the script.
 # https://cleveruptime.com/docs/files/proc-key-users | https://docs.kernel.org/security/keys/core.html