diff --git a/lldb/cmake/modules/FindLuaAndSwig.cmake b/lldb/cmake/modules/FindLuaAndSwig.cmake
--- a/lldb/cmake/modules/FindLuaAndSwig.cmake
+++ b/lldb/cmake/modules/FindLuaAndSwig.cmake
@@ -9,7 +9,7 @@
 else()
   find_package(SWIG 3.0)
   if (SWIG_FOUND)
-    find_package(Lua 5.3)
+    find_package(Lua 5.3 EXACT)
     if(LUA_FOUND AND SWIG_FOUND)
       mark_as_advanced(
         LUA_LIBRARIES
diff --git a/lldb/source/Plugins/ScriptInterpreter/Lua/CMakeLists.txt b/lldb/source/Plugins/ScriptInterpreter/Lua/CMakeLists.txt
--- a/lldb/source/Plugins/ScriptInterpreter/Lua/CMakeLists.txt
+++ b/lldb/source/Plugins/ScriptInterpreter/Lua/CMakeLists.txt
@@ -1,5 +1,3 @@
-find_package(Lua REQUIRED)
-
 add_lldb_library(lldbPluginScriptInterpreterLua PLUGIN
   Lua.cpp
   ScriptInterpreterLua.cpp