diff --git a/PHP Monitor.xcodeproj/project.pbxproj b/PHP Monitor.xcodeproj/project.pbxproj
index 7af53c8..9ca7cff 100644
--- a/PHP Monitor.xcodeproj/project.pbxproj	
+++ b/PHP Monitor.xcodeproj/project.pbxproj	
@@ -700,7 +700,7 @@
 					"@executable_path/../Frameworks",
 					"@loader_path/../Frameworks",
 				);
-				MACOSX_DEPLOYMENT_TARGET = 11.1;
+				MACOSX_DEPLOYMENT_TARGET = 10.14;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.nicoverbruggen.phpmon-tests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;
@@ -721,7 +721,7 @@
 					"@executable_path/../Frameworks",
 					"@loader_path/../Frameworks",
 				);
-				MACOSX_DEPLOYMENT_TARGET = 11.1;
+				MACOSX_DEPLOYMENT_TARGET = 10.14;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.nicoverbruggen.phpmon-tests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;