diff --git a/CMakeLists.txt b/CMakeLists.txt
index 281c306b7ee..8945f9429c6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -56,7 +56,7 @@ if(CCACHE_PROGRAM)
 
 set(CMAKE_EXPORT_COMPILE_COMMANDS true)
 
-set(CMAKE_OSX_DEPLOYMENT_TARGET 10.9)
+set(CMAKE_OSX_DEPLOYMENT_TARGET 10.15)
 
 include(GNUInstallDirs)