diff --git a/Package.swift b/Package.swift
index b1c8aba..4751745 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:5.9
+// swift-tools-version:5.3
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
diff --git a/scripts/release/Package.swift b/scripts/release/Package.swift
index bb2484a..08d21ea 100644
--- a/scripts/release/Package.swift
+++ b/scripts/release/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:5.9
+// swift-tools-version:5.3
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
@@ -12,7 +12,7 @@ let package = Package(
     targets: [
         // Targets are the basic building blocks of a package. A target can define a module or a test suite.
         // Targets can depend on other targets in this package, and on products in packages which this package depends on.
-        .executableTarget(
+        .target(
             name: "set-marketing-version",
             dependencies: [
                 .product(name: "ArgumentParser", package: "swift-argument-parser"),