diff --git a/data/computercraft/lua/rom/programs/appdelete.lua b/data/computercraft/lua/rom/programs/appdelete.lua
index 240c39c..c22643d 100644
--- a/data/computercraft/lua/rom/programs/appdelete.lua
+++ b/data/computercraft/lua/rom/programs/appdelete.lua
@@ -2,6 +2,8 @@
 
 local fs = require("fs")
 local tu = require("textutils")
+local shell = require("shell")
+local read = require("read")
 
 local function show_help()
   print("Usage: appdelete <application_name> [options]")
diff --git a/installer.lua b/installer.lua
index 6b5f65e..fccfb21 100644
--- a/installer.lua
+++ b/installer.lua
@@ -1,5 +1,5 @@
 -- LeonOS installer
-local INSTALLER_VERSION = "0.3.7 Beta 2"
+local INSTALLER_VERSION = "0.3.7 Beta 3"
 local DEFAULT_ROM_DIR = "/leonos"
 
 print("Start loading LeonOS installer ("..INSTALLER_VERSION..")...")