diff --git a/LidAngleSensor.xcodeproj/project.pbxproj b/LidAngleSensor.xcodeproj/project.pbxproj
index f5ffacb..884e7f4 100644
--- a/LidAngleSensor.xcodeproj/project.pbxproj
+++ b/LidAngleSensor.xcodeproj/project.pbxproj
@@ -267,6 +267,7 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
+				MACOSX_DEPLOYMENT_TARGET = 11.5;
 				MARKETING_VERSION = 1.0;
 				PRODUCT_BUNDLE_IDENTIFIER = gold.samhenri.LidAngleSensor;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -308,6 +309,7 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
+				MACOSX_DEPLOYMENT_TARGET = 11.5;
 				MARKETING_VERSION = 1.0;
 				PRODUCT_BUNDLE_IDENTIFIER = gold.samhenri.LidAngleSensor;
 				PRODUCT_NAME = "$(TARGET_NAME)";