--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -185,7 +185,7 @@
         include_directories(SYSTEM ${LUAJIT_INCLUDE_DIR})
         set(HAVE_LUAJIT 1)
     else()
-        find_package(Lua REQUIRED)
+        find_package(Lua ${LUA_VERSION} EXACT REQUIRED)
         include_directories(SYSTEM ${LUA_INCLUDE_DIR})
     endif()
     set(HAVE_LUA 1)