diff --git a/app/external/CMakeLists.txt b/app/external/CMakeLists.txt
index 922a147c4b..0113704f59 100644
--- a/app/external/CMakeLists.txt
+++ b/app/external/CMakeLists.txt
@@ -18,7 +18,7 @@ message(STATUS "CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")
 include(GNUInstallDirs)
 include(ExternalProject)
 
-set(CMAKE_OSX_DEPLOYMENT_TARGET '10.15')
+set(CMAKE_OSX_DEPLOYMENT_TARGET "13")
 
 # sp_midi
 ExternalProject_Add(sp_midi
diff --git a/app/gui/qt/CMakeLists.txt b/app/gui/qt/CMakeLists.txt
index 24c5430581..e2d8420256 100644
--- a/app/gui/qt/CMakeLists.txt
+++ b/app/gui/qt/CMakeLists.txt
@@ -3,7 +3,7 @@ cmake_minimum_required(VERSION 3.2)
 message(STATUS "CMakeLists: Sonic Pi Qt GUI")
 
 if(APPLE)
-  set(CMAKE_OSX_DEPLOYMENT_TARGET "10.15")
+  set(CMAKE_OSX_DEPLOYMENT_TARGET "13")
 endif()
 
 project("Sonic Pi"