diff --git a/CMakeLists.txt b/CMakeLists.txt
index 440e899e0..cb55c494e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@ if(APPLE)
     set(CMAKE_OSX_DEPLOYMENT_TARGET "11.0" CACHE STRING "Minimum OS X deployment version")
   else()
     # SDL2 requires at least this version for everything to work properly.
-    set(CMAKE_OSX_DEPLOYMENT_TARGET "10.9" CACHE STRING "Minimum OS X deployment version")
+    set(CMAKE_OSX_DEPLOYMENT_TARGET "10.13" CACHE STRING "Minimum OS X deployment version")
   endif()
 endif()