diff --git a/PMKHomeKit.xcodeproj/project.pbxproj b/PMKHomeKit.xcodeproj/project.pbxproj
index 69bf675..01fc7a7 100644
--- a/PMKHomeKit.xcodeproj/project.pbxproj
+++ b/PMKHomeKit.xcodeproj/project.pbxproj
@@ -302,7 +302,7 @@
 				SUPPORTED_PLATFORMS = "iphonesimulator iphoneos watchsimulator watchos appletvsimulator appletvos";
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2,3,4";
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 				VERSIONING_SYSTEM = "apple-generic";
@@ -362,7 +362,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = org.promisekit.CoreLocation;
 				SUPPORTED_PLATFORMS = "iphonesimulator iphoneos watchsimulator watchos appletvsimulator appletvos";
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2,3,4";
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 				VALIDATE_PRODUCT = YES;