diff --git a/client/go/Taskfile.yml b/client/go/Taskfile.yml
index 5994e02e1d..1542b6b3df 100644
--- a/client/go/Taskfile.yml
+++ b/client/go/Taskfile.yml
@@ -89,7 +89,7 @@ tasks:
       # MACOSX_DEPLOYMENT_TARGET must match the version the version set in the XCode project.
       MACOSX_DEPLOYMENT_TARGET: 12.0
       # TARGET_IOS_VERSION must be at least 13.1 for macCatalyst and match the version set in the XCode project.
-      TARGET_IOS_VERSION: 13.1
+      TARGET_IOS_VERSION: 15.5
     cmds:
       - rm -rf "{{.TARGET_DIR}}" && mkdir -p "{{.TARGET_DIR}}"
       - export MACOSX_DEPLOYMENT_TARGET={{.MACOSX_DEPLOYMENT_TARGET}}; {{.GOMOBILE_BIND_CMD}} -target=ios,iossimulator,macos,maccatalyst -iosversion={{.TARGET_IOS_VERSION}} -bundleid org.outline.tun2socks -o '{{.TARGET_DIR}}/Tun2socks.xcframework' '{{.TASKFILE_DIR}}/outline/platerrors' '{{.TASKFILE_DIR}}/outline/tun2socks' '{{.TASKFILE_DIR}}/outline'
diff --git a/client/src/cordova/apple/OutlineAppleLib/Package.swift b/client/src/cordova/apple/OutlineAppleLib/Package.swift
index 20f122e5ee..ba3cc419d2 100644
--- a/client/src/cordova/apple/OutlineAppleLib/Package.swift
+++ b/client/src/cordova/apple/OutlineAppleLib/Package.swift
@@ -24,7 +24,7 @@ let package = Package(
         // CocoaLumberjack 3.8.0 dropped support for iOS < 11 and macOS < 10.13.
         // See https://github.com/CocoaLumberjack/CocoaLumberjack/releases/tag/3.8.0.
         // These cannot be upgraded without also upgrading the entire project.
-       .iOS(.v13),
+       .iOS(.v15_5),
        .macOS(.v12),
     ],
     products: [
diff --git a/client/src/cordova/apple/OutlineLib/OutlineLib.xcodeproj/project.pbxproj b/client/src/cordova/apple/OutlineLib/OutlineLib.xcodeproj/project.pbxproj
index e25ad25802..c4a0d2c286 100644
--- a/client/src/cordova/apple/OutlineLib/OutlineLib.xcodeproj/project.pbxproj
+++ b/client/src/cordova/apple/OutlineLib/OutlineLib.xcodeproj/project.pbxproj
@@ -416,7 +416,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.1;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.5;
 				LOCALIZATION_PREFERS_STRING_CATALOGS = YES;
 				MACOSX_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
@@ -476,7 +476,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.1;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.5;
 				LOCALIZATION_PREFERS_STRING_CATALOGS = YES;
 				MACOSX_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
@@ -500,7 +500,7 @@
 				INFOPLIST_FILE = VpnExtension/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = VpnExtension;
 				INFOPLIST_KEY_NSHumanReadableCopyright = "";
-				IPHONEOS_DEPLOYMENT_TARGET = 13.1;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.5;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -537,7 +537,7 @@
 				INFOPLIST_FILE = VpnExtension/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = VpnExtension;
 				INFOPLIST_KEY_NSHumanReadableCopyright = "";
-				IPHONEOS_DEPLOYMENT_TARGET = 13.1;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.5;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",