diff --git a/libidn.podspec b/libidn.podspec
index 41096da..f346809 100644
--- a/libidn.podspec
+++ b/libidn.podspec
@@ -24,10 +24,10 @@ Also included is a command line tool, several self tests, code examples, and mor
   s.source = { :git => 'https://github.com/chrisballinger/libidn-framework.git',
                :tag => s.version }
 
-  s.ios.deployment_target = "8.0"
-  s.osx.deployment_target = "10.9"
-  s.tvos.deployment_target = '9.0'
-  s.watchos.deployment_target = '2.0'
+  s.ios.deployment_target = "15.6"
+  s.osx.deployment_target = "11.5"
+  s.tvos.deployment_target = '15.6'
+  s.watchos.deployment_target = '8.7'
   s.requires_arc = true
 
   s.source_files = 'Framework/*.{m,h}', 'lib/*.{h,c}'
diff --git a/libidn.xcodeproj/project.pbxproj b/libidn.xcodeproj/project.pbxproj
index 1fdd865..2827798 100644
--- a/libidn.xcodeproj/project.pbxproj
+++ b/libidn.xcodeproj/project.pbxproj
@@ -335,6 +335,7 @@
 			developmentRegion = English;
 			hasScannedForEncodings = 0;
 			knownRegions = (
+				English,
 				en,
 			);
 			mainGroup = 0D2812271E5597AF00DFC03B;
@@ -560,7 +561,7 @@
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = Framework/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.6;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = org.chrisballinger.libidn;
 				PRODUCT_NAME = "$(PROJECT_NAME)";
@@ -579,7 +580,7 @@
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = Framework/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.6;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = org.chrisballinger.libidn;
 				PRODUCT_NAME = "$(PROJECT_NAME)";
@@ -604,7 +605,7 @@
 				SDKROOT = watchos;
 				SKIP_INSTALL = YES;
 				TARGETED_DEVICE_FAMILY = 4;
-				WATCHOS_DEPLOYMENT_TARGET = 2.0;
+				WATCHOS_DEPLOYMENT_TARGET = 8.7;
 			};
 			name = Debug;
 		};
@@ -625,7 +626,7 @@
 				SDKROOT = watchos;
 				SKIP_INSTALL = YES;
 				TARGETED_DEVICE_FAMILY = 4;
-				WATCHOS_DEPLOYMENT_TARGET = 2.0;
+				WATCHOS_DEPLOYMENT_TARGET = 8.7;
 			};
 			name = Release;
 		};
@@ -646,7 +647,7 @@
 				SDKROOT = appletvos;
 				SKIP_INSTALL = YES;
 				TARGETED_DEVICE_FAMILY = 3;
-				TVOS_DEPLOYMENT_TARGET = 9.0;
+				TVOS_DEPLOYMENT_TARGET = 15.6;
 			};
 			name = Debug;
 		};
@@ -667,7 +668,7 @@
 				SDKROOT = appletvos;
 				SKIP_INSTALL = YES;
 				TARGETED_DEVICE_FAMILY = 3;
-				TVOS_DEPLOYMENT_TARGET = 9.0;
+				TVOS_DEPLOYMENT_TARGET = 15.6;
 			};
 			name = Release;
 		};
@@ -682,7 +683,7 @@
 				INFOPLIST_FILE = Framework/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
-				MACOSX_DEPLOYMENT_TARGET = 10.9;
+				MACOSX_DEPLOYMENT_TARGET = 11.5;
 				PRODUCT_BUNDLE_IDENTIFIER = org.chrisballinger.libidn;
 				PRODUCT_NAME = "$(PROJECT_NAME)";
 				SDKROOT = macosx;
@@ -701,7 +702,7 @@
 				INFOPLIST_FILE = Framework/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
-				MACOSX_DEPLOYMENT_TARGET = 10.9;
+				MACOSX_DEPLOYMENT_TARGET = 11.5;
 				PRODUCT_BUNDLE_IDENTIFIER = org.chrisballinger.libidn;
 				PRODUCT_NAME = "$(PROJECT_NAME)";
 				SDKROOT = macosx;