diff --git a/Example/HTMLKitExample/HTMLKitExample.xcodeproj/project.pbxproj b/Example/HTMLKitExample/HTMLKitExample.xcodeproj/project.pbxproj
index b04b5e0..e81d607 100644
--- a/Example/HTMLKitExample/HTMLKitExample.xcodeproj/project.pbxproj
+++ b/Example/HTMLKitExample/HTMLKitExample.xcodeproj/project.pbxproj
@@ -89,7 +89,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0800;
-				LastUpgradeCheck = 1130;
+				LastUpgradeCheck = 1250;
 				ORGANIZATIONNAME = iabudiab;
 				TargetAttributes = {
 					629A63C81D9AFE0E0089679F = {
@@ -153,6 +153,7 @@
 				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;
@@ -211,6 +212,7 @@
 				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/Example/HTMLKitExample/HTMLKitExample.xcodeproj/xcshareddata/xcschemes/HTMLKitExample.xcscheme b/Example/HTMLKitExample/HTMLKitExample.xcodeproj/xcshareddata/xcschemes/HTMLKitExample.xcscheme
index a2dc69d..e3949ac 100644
--- a/Example/HTMLKitExample/HTMLKitExample.xcodeproj/xcshareddata/xcschemes/HTMLKitExample.xcscheme
+++ b/Example/HTMLKitExample/HTMLKitExample.xcodeproj/xcshareddata/xcschemes/HTMLKitExample.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1130"
+   LastUpgradeVersion = "1250"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/HTMLKit.xcodeproj/xcshareddata/xcschemes/HTMLKit-iOS.xcscheme b/HTMLKit.xcodeproj/xcshareddata/xcschemes/HTMLKit-iOS.xcscheme
index ac3c50c..1f2670e 100644
--- a/HTMLKit.xcodeproj/xcshareddata/xcschemes/HTMLKit-iOS.xcscheme
+++ b/HTMLKit.xcodeproj/xcshareddata/xcschemes/HTMLKit-iOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1240"
+   LastUpgradeVersion = "1250"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/HTMLKit.xcodeproj/xcshareddata/xcschemes/HTMLKit-macOS.xcscheme b/HTMLKit.xcodeproj/xcshareddata/xcschemes/HTMLKit-macOS.xcscheme
index bb3823a..6283c7f 100644
--- a/HTMLKit.xcodeproj/xcshareddata/xcschemes/HTMLKit-macOS.xcscheme
+++ b/HTMLKit.xcodeproj/xcshareddata/xcschemes/HTMLKit-macOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1240"
+   LastUpgradeVersion = "1250"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/HTMLKit.xcodeproj/xcshareddata/xcschemes/HTMLKit-tvOS.xcscheme b/HTMLKit.xcodeproj/xcshareddata/xcschemes/HTMLKit-tvOS.xcscheme
index 599daed..6386373 100644
--- a/HTMLKit.xcodeproj/xcshareddata/xcschemes/HTMLKit-tvOS.xcscheme
+++ b/HTMLKit.xcodeproj/xcshareddata/xcschemes/HTMLKit-tvOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1240"
+   LastUpgradeVersion = "1250"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/HTMLKit.xcodeproj/xcshareddata/xcschemes/HTMLKit-watchOS.xcscheme b/HTMLKit.xcodeproj/xcshareddata/xcschemes/HTMLKit-watchOS.xcscheme
index 4134f5f..088e11b 100644
--- a/HTMLKit.xcodeproj/xcshareddata/xcschemes/HTMLKit-watchOS.xcscheme
+++ b/HTMLKit.xcodeproj/xcshareddata/xcschemes/HTMLKit-watchOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1240"
+   LastUpgradeVersion = "1250"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"