diff --git a/Building-for-macOS.md b/Building-for-macOS.md
index 26761bd..b840405 100644
--- a/Building-for-macOS.md
+++ b/Building-for-macOS.md
@@ -26,7 +26,7 @@ export Qt5_DIR=$(brew --prefix)/opt/qt5
 
 Now you can generate makefiles for the build:
 ```
-export MACOSX_DEPLOYMENT_TARGET=10.9
+export MACOSX_DEPLOYMENT_TARGET=10.12
 mkdir build
 cd build
 cmake .. -DUSE_SYSTEM_CURL=ON -DCMAKE_OSX_ARCHITECTURES="x86_64;x86_64h" -DCMAKE_BUILD_TYPE=Release