diff --git a/Package.resolved b/Package.resolved
index e52f131..13a262f 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -6,8 +6,8 @@
         "repositoryURL": "https://github.com/apple/swift-argument-parser",
         "state": {
           "branch": null,
-          "revision": "8d31a0905c346a45c87773ad50862b5b3df8dff6",
-          "version": "0.0.4"
+          "revision": "15351c1cd009eba0b6e438bfef55ea9847a8dc4a",
+          "version": "0.3.0"
         }
       },
       {
diff --git a/Sources/unicode_properties/main.swift b/Sources/unicode_properties/main.swift
index 96190f2..96394ad 100644
--- a/Sources/unicode_properties/main.swift
+++ b/Sources/unicode_properties/main.swift
@@ -72,10 +72,10 @@ func generateConstants(_ properties: [Substring: [ClosedRange<UInt32>]]) -> Stri
 
 struct Arguments: ParsableCommand {
 	@Flag(name: .customLong("enumAndDictionary"), help: "Outputs an enum containing all the property names, and a dictionary with the enum as keys and arrays of ranges as values. Is the default.")
-	var enumAndDictionary: Bool
+	var enumAndDictionary: Bool = false
 
 	@Flag(help: "Outputs the property names as constants with arrays of ranges as values.")
-	var constants: Bool
+	var constants: Bool = false
 
 	@Argument(help: "The path to the Unicode property data file.", transform: {
 		try String(contentsOfFile: $0)