diff --git a/admin/autoupdater/files/usr/lib/autoupdater/upgrade.d/90delete_keys b/admin/autoupdater/files/usr/lib/autoupdater/upgrade.d/90delete_keys
new file mode 100755
index 0000000..ca4425f
--- /dev/null
+++ b/admin/autoupdater/files/usr/lib/autoupdater/upgrade.d/90delete_keys
@@ -0,0 +1,9 @@
+#!/usr/bin/lua
+local handle = io.popen("ls /etc/opkg/keys -1")
+local files = handle:read("*a")
+handle:close()
+
+for file in files:gmatch("[^\r\n]+") do
+  local filePath = "/etc/opkg/keys/" .. file
+  os.remove(filePath)
+end
\ No newline at end of file