--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,7 +8,7 @@
 cmake_minimum_required ( VERSION 2.8 )
 include ( cmake/dist.cmake )
 
-find_package ( Lua REQUIRED )
+find_package ( Lua ${LUA_VERSION} EXACT REQUIRED )
 include_directories ( include src/lib ${LUA_INCLUDE_DIR} )
 
 # Build lib