diff --git a/ZeroTier One.xcodeproj/project.pbxproj b/ZeroTier One.xcodeproj/project.pbxproj
index 7c1e29bec..0a8188c99 100644
--- a/ZeroTier One.xcodeproj/project.pbxproj	
+++ b/ZeroTier One.xcodeproj/project.pbxproj	
@@ -272,6 +272,7 @@
 				COMBINE_HIDPI_IMAGES = YES;
 				INFOPLIST_FILE = "ZeroTier One/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
+				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.zerotier.ZeroTier-One";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "ZeroTier One/ZeroTier One-Bridging-Header.h";
@@ -287,6 +288,7 @@
 				COMBINE_HIDPI_IMAGES = YES;
 				INFOPLIST_FILE = "ZeroTier One/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
+				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.zerotier.ZeroTier-One";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "ZeroTier One/ZeroTier One-Bridging-Header.h";