diff --git a/projects/ROCKNIX/packages/emulators/libretro/dosbox-core-lr/patches/002-fix-cmake-build.patch b/projects/ROCKNIX/packages/emulators/libretro/dosbox-core-lr/patches/002-fix-cmake-build.patch
new file mode 100644
index 0000000000..ee51233868
--- /dev/null
+++ b/projects/ROCKNIX/packages/emulators/libretro/dosbox-core-lr/patches/002-fix-cmake-build.patch
@@ -0,0 +1,8 @@
+--- a/libretro/deps/munt/mt32emu/CMakeLists.txt
++++ b/libretro/deps/munt/mt32emu/CMakeLists.txt
+@@ -1,4 +1,4 @@
+-cmake_minimum_required(VERSION 2.8.12)
++cmake_minimum_required(VERSION 3.5)
+ 
+ list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
+