diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8b1081f..c060e1c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 All notable changes to AXorcist will be documented in this file.
 
+## [0.1.2] - 2026-04-28
+
+### Fixed
+- Avoid treating SwiftPM's `.build/checkouts` cache as a vendored workspace when resolving Commander.
+
 ## [0.1.1] - 2026-04-28
 
 ### Changed
diff --git a/Package.swift b/Package.swift
index 4767451..cfe255a 100644
--- a/Package.swift
+++ b/Package.swift
@@ -13,8 +13,9 @@ let approachableConcurrencySettings: [SwiftSetting] = [
 
 let packageDirectory = URL(fileURLWithPath: #filePath).deletingLastPathComponent()
 let localCommanderPath = packageDirectory.deletingLastPathComponent().appendingPathComponent("Commander").path
+let isSwiftPMCheckout = packageDirectory.path.contains("/.build/checkouts/")
 let commanderDependency: Package.Dependency =
-    if FileManager.default.fileExists(atPath: localCommanderPath) {
+    if !isSwiftPMCheckout, FileManager.default.fileExists(atPath: localCommanderPath) {
         .package(path: "../Commander")
     } else {
         .package(url: "https://github.com/steipete/Commander.git", exact: "0.2.2")