diff --git a/PHP Monitor.xcodeproj/project.pbxproj b/PHP Monitor.xcodeproj/project.pbxproj
index c9b83e9..85324d7 100644
--- a/PHP Monitor.xcodeproj/project.pbxproj	
+++ b/PHP Monitor.xcodeproj/project.pbxproj	
@@ -204,7 +204,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 1020;
-				LastUpgradeCheck = 1110;
+				LastUpgradeCheck = 1220;
 				ORGANIZATIONNAME = "Nico Verbruggen";
 				TargetAttributes = {
 					C41C1B3222B0097F00E7CF16 = {
@@ -308,6 +308,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -369,6 +370,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
diff --git a/PHP Monitor.xcodeproj/xcshareddata/xcschemes/PHP Monitor.xcscheme b/PHP Monitor.xcodeproj/xcshareddata/xcschemes/PHP Monitor.xcscheme
index e93bdab..8e112d7 100644
--- a/PHP Monitor.xcodeproj/xcshareddata/xcschemes/PHP Monitor.xcscheme	
+++ b/PHP Monitor.xcodeproj/xcshareddata/xcschemes/PHP Monitor.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1150"
+   LastUpgradeVersion = "1220"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"