diff --git a/Sources/GeneratorCLI/GeneratorCLI.swift b/Sources/GeneratorCLI/GeneratorCLI.swift
index 72c9698..839c294 100644
--- a/Sources/GeneratorCLI/GeneratorCLI.swift
+++ b/Sources/GeneratorCLI/GeneratorCLI.swift
@@ -125,7 +125,7 @@ extension GeneratorCLI {
     var swiftBranch: String? = nil
 
     @Option(help: "Version of Swift to supply in the bundle.")
-    var swiftVersion = "6.2.4-RELEASE"
+    var swiftVersion = "6.3.3-RELEASE"
 
     @Option(
       help: """