diff --git a/Locksmith.xcodeproj/project.pbxproj b/Locksmith.xcodeproj/project.pbxproj
index 0567ef8..9a37cdc 100644
--- a/Locksmith.xcodeproj/project.pbxproj
+++ b/Locksmith.xcodeproj/project.pbxproj
@@ -448,6 +448,7 @@
 			developmentRegion = English;
 			hasScannedForEncodings = 0;
 			knownRegions = (
+				English,
 				en,
 				Base,
 			);
@@ -662,7 +663,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "net.matthewpalmer.Locksmith-iOS";
 				PRODUCT_NAME = Locksmith;
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -685,7 +686,7 @@
 				PRODUCT_NAME = Locksmith;
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
 		};