diff --git a/mmc_updater/CMakeLists.txt b/mmc_updater/CMakeLists.txt
index 84bc63a5..8d425b5a 100644
--- a/mmc_updater/CMakeLists.txt
+++ b/mmc_updater/CMakeLists.txt
@@ -40,8 +40,8 @@ if(APPLE)
 	# of the updater binary
 	set(CMAKE_OSX_ARCHITECTURES i386;x86_64)
 
-	# Build the updater so that it works on OS X 10.5 and above.
-	set(MIN_OSX_VERSION 10.5)
+	# Build the updater so that it works on OS X 10.7 and above.
+	set(MIN_OSX_VERSION 10.7)
 	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mmacosx-version-min=${MIN_OSX_VERSION}")
 	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmacosx-version-min=${MIN_OSX_VERSION}")
 endif()