diff --git a/lightpreview/CMakeLists.txt b/lightpreview/CMakeLists.txt
index ee62e1c6..1d7bbed5 100644
--- a/lightpreview/CMakeLists.txt
+++ b/lightpreview/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required (VERSION 2.8)
+cmake_minimum_required (VERSION 3.0)
 project (lightpreview CXX)
 
 set(CMAKE_INCLUDE_CURRENT_DIR ON)