diff --git a/EVReflection/EVReflection.xcodeproj/project.pbxproj b/EVReflection/EVReflection.xcodeproj/project.pbxproj
index d79a284a..a558ec12 100644
--- a/EVReflection/EVReflection.xcodeproj/project.pbxproj
+++ b/EVReflection/EVReflection.xcodeproj/project.pbxproj
@@ -1080,6 +1080,7 @@
 				INFOPLIST_FILE = EVReflectionOSX/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
+				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				MODULE_NAME = EVReflection;
 				PRODUCT_BUNDLE_IDENTIFIER = evermeer.EVReflectionOSX;
 				PRODUCT_NAME = EVReflection;
@@ -1104,6 +1105,7 @@
 				INFOPLIST_FILE = EVReflectionOSX/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
+				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				MODULE_NAME = EVReflection;
 				PRODUCT_BUNDLE_IDENTIFIER = evermeer.EVReflectionOSX;
 				PRODUCT_NAME = EVReflection;
@@ -1154,6 +1156,7 @@
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -1194,6 +1197,7 @@
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				TARGETED_DEVICE_FAMILY = "1,2";