diff --git a/ARCHBLOX.xcodeproj/project.pbxproj b/ARCHBLOX.xcodeproj/project.pbxproj
index cba4c9c..e3125a2 100644
--- a/ARCHBLOX.xcodeproj/project.pbxproj
+++ b/ARCHBLOX.xcodeproj/project.pbxproj
@@ -430,6 +430,7 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
+				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				MARKETING_VERSION = 1.0;
 				PRODUCT_BUNDLE_IDENTIFIER = com.ARCHBLOX.ARCHBLOX;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -455,6 +456,7 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
+				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				MARKETING_VERSION = 1.0;
 				PRODUCT_BUNDLE_IDENTIFIER = com.ARCHBLOX.ARCHBLOX;
 				PRODUCT_NAME = "$(TARGET_NAME)";