diff --git a/ACKategories.xcodeproj/project.pbxproj b/ACKategories.xcodeproj/project.pbxproj
index 6efa608f..2080bdf5 100644
--- a/ACKategories.xcodeproj/project.pbxproj
+++ b/ACKategories.xcodeproj/project.pbxproj
@@ -785,8 +785,9 @@
 		69E819DF23C773010054687B /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
+				BuildIndependentTargetsInParallel = YES;
 				LastSwiftUpdateCheck = 1130;
-				LastUpgradeCheck = 1400;
+				LastUpgradeCheck = 1500;
 				TargetAttributes = {
 					695096D723C7908B00E8F457 = {
 						CreatedOnToolsVersion = 11.3;
@@ -1208,6 +1209,7 @@
 				DEAD_CODE_STRIPPING = YES;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
+				ENABLE_USER_SCRIPT_SANDBOXING = YES;
 				GCC_NO_COMMON_BLOCKS = YES;
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
@@ -1246,6 +1248,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				DEAD_CODE_STRIPPING = YES;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_USER_SCRIPT_SANDBOXING = YES;
 				GCC_NO_COMMON_BLOCKS = YES;
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
@@ -1587,6 +1590,7 @@
 				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				CODE_SIGN_IDENTITY = "";
 				CODE_SIGN_STYLE = Automatic;
 				COPY_PHASE_STRIP = NO;
 				CURRENT_PROJECT_VERSION = 1;
@@ -1668,6 +1672,7 @@
 				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				CODE_SIGN_IDENTITY = "";
 				CODE_SIGN_STYLE = Automatic;
 				COPY_PHASE_STRIP = NO;
 				CURRENT_PROJECT_VERSION = 1;
diff --git a/ACKategories.xcodeproj/xcshareddata/xcschemes/ACKategories-iOS.xcscheme b/ACKategories.xcodeproj/xcshareddata/xcschemes/ACKategories-iOS.xcscheme
index bad8fc3f..944dd746 100644
--- a/ACKategories.xcodeproj/xcshareddata/xcschemes/ACKategories-iOS.xcscheme
+++ b/ACKategories.xcodeproj/xcshareddata/xcschemes/ACKategories-iOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1400"
+   LastUpgradeVersion = "1500"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/ACKategories.xcodeproj/xcshareddata/xcschemes/ACKategoriesCore.xcscheme b/ACKategories.xcodeproj/xcshareddata/xcschemes/ACKategoriesCore.xcscheme
index 439f3e87..4fcd5125 100644
--- a/ACKategories.xcodeproj/xcshareddata/xcschemes/ACKategoriesCore.xcscheme
+++ b/ACKategories.xcodeproj/xcshareddata/xcschemes/ACKategoriesCore.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1400"
+   LastUpgradeVersion = "1500"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/ACKategories.xcodeproj/xcshareddata/xcschemes/ACKategoriesExample.xcscheme b/ACKategories.xcodeproj/xcshareddata/xcschemes/ACKategoriesExample.xcscheme
index aa60e6ce..d125b867 100644
--- a/ACKategories.xcodeproj/xcshareddata/xcschemes/ACKategoriesExample.xcscheme
+++ b/ACKategories.xcodeproj/xcshareddata/xcschemes/ACKategoriesExample.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1400"
+   LastUpgradeVersion = "1500"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"