diff --git a/SwipeTransition.xcodeproj/project.pbxproj b/SwipeTransition.xcodeproj/project.pbxproj
index 0979364..f212860 100644
--- a/SwipeTransition.xcodeproj/project.pbxproj
+++ b/SwipeTransition.xcodeproj/project.pbxproj
@@ -869,7 +869,6 @@
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_TEAM = PN7U9JJPAS;
 				INFOPLIST_FILE = Tests/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 11.2;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.github.tattn.SwipeTransitionTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -886,7 +885,6 @@
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_TEAM = PN7U9JJPAS;
 				INFOPLIST_FILE = Tests/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 11.2;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.github.tattn.SwipeTransitionTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -946,7 +944,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 14.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -1003,7 +1001,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 14.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
@@ -1067,7 +1065,6 @@
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_TEAM = PN7U9JJPAS;
 				INFOPLIST_FILE = "$(SRCROOT)/Examples/Example/Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.github.tattn.Example;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -1083,7 +1080,6 @@
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_TEAM = PN7U9JJPAS;
 				INFOPLIST_FILE = "$(SRCROOT)/Examples/Example/Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.github.tattn.Example;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -1103,7 +1099,6 @@
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = "$(SRCROOT)/Sources/Automation/AutoSwipeBack/Info.plist";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.github.tattn.AutoSwipeBack;
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
@@ -1125,7 +1120,6 @@
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = "$(SRCROOT)/Sources/Automation/AutoSwipeBack/Info.plist";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.github.tattn.AutoSwipeBack;
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
@@ -1143,7 +1137,6 @@
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_TEAM = PN7U9JJPAS;
 				INFOPLIST_FILE = "$(SRCROOT)/Examples/AutoExample/Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.github.tattn.AutoExample;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -1160,7 +1153,6 @@
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_TEAM = PN7U9JJPAS;
 				INFOPLIST_FILE = "$(SRCROOT)/Examples/AutoExample/Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.github.tattn.AutoExample;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -1181,7 +1173,6 @@
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = "$(SRCROOT)/Sources/Automation/AutoSwipeToDismiss/Info.plist";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.github.tattn.AutoSwipeToDismiss;
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
@@ -1203,7 +1194,6 @@
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = "$(SRCROOT)/Sources/Automation/AutoSwipeToDismiss/Info.plist";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.github.tattn.AutoSwipeToDismiss;
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";