diff --git a/posix.mak b/posix.mak
index 45fdb6e25..7148442a5 100644
--- a/posix.mak
+++ b/posix.mak
@@ -37,7 +37,7 @@ DMD_DIR=../dmd
 include $(DMD_DIR)/src/osmodel.mak
 
 ifeq (osx,$(OS))
-	export MACOSX_DEPLOYMENT_TARGET=10.7
+	export MACOSX_DEPLOYMENT_TARGET=10.9
 endif
 
 # Default to a release build, override with BUILD=debug