diff --git a/TravelKit.xcodeproj/project.pbxproj b/TravelKit.xcodeproj/project.pbxproj
index 4de808e..46fdce5 100644
--- a/TravelKit.xcodeproj/project.pbxproj
+++ b/TravelKit.xcodeproj/project.pbxproj
@@ -923,7 +923,7 @@
 			isa = PBXProject;
 			attributes = {
 				CLASSPREFIX = TK;
-				LastUpgradeCheck = 1130;
+				LastUpgradeCheck = 1140;
 				ORGANIZATIONNAME = Tripomatic;
 				TargetAttributes = {
 					D6B2A1281E530AFD005509E8 = {
diff --git a/TravelKit.xcodeproj/xcshareddata/xcschemes/TravelKit-iOS-Universal.xcscheme b/TravelKit.xcodeproj/xcshareddata/xcschemes/TravelKit-iOS-Universal.xcscheme
index 5612f5e..4f942d3 100644
--- a/TravelKit.xcodeproj/xcshareddata/xcschemes/TravelKit-iOS-Universal.xcscheme
+++ b/TravelKit.xcodeproj/xcshareddata/xcschemes/TravelKit-iOS-Universal.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1130"
+   LastUpgradeVersion = "1140"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/TravelKit.xcodeproj/xcshareddata/xcschemes/TravelKit-iOS.xcscheme b/TravelKit.xcodeproj/xcshareddata/xcschemes/TravelKit-iOS.xcscheme
index 6de7f4f..ad5b3d5 100644
--- a/TravelKit.xcodeproj/xcshareddata/xcschemes/TravelKit-iOS.xcscheme
+++ b/TravelKit.xcodeproj/xcshareddata/xcschemes/TravelKit-iOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1130"
+   LastUpgradeVersion = "1140"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/TravelKit.xcodeproj/xcshareddata/xcschemes/TravelKit-macOS.xcscheme b/TravelKit.xcodeproj/xcshareddata/xcschemes/TravelKit-macOS.xcscheme
index 3b89294..c9a0d01 100644
--- a/TravelKit.xcodeproj/xcshareddata/xcschemes/TravelKit-macOS.xcscheme
+++ b/TravelKit.xcodeproj/xcshareddata/xcschemes/TravelKit-macOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1130"
+   LastUpgradeVersion = "1140"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/TravelKit.xcodeproj/xcshareddata/xcschemes/TravelKit-tvOS.xcscheme b/TravelKit.xcodeproj/xcshareddata/xcschemes/TravelKit-tvOS.xcscheme
index 0fa192a..caa40c4 100644
--- a/TravelKit.xcodeproj/xcshareddata/xcschemes/TravelKit-tvOS.xcscheme
+++ b/TravelKit.xcodeproj/xcshareddata/xcschemes/TravelKit-tvOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1130"
+   LastUpgradeVersion = "1140"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"