diff --git a/Sources/LicensePlist/main.swift b/Sources/LicensePlist/main.swift
index 0fa4207e..0ce3f15e 100644
--- a/Sources/LicensePlist/main.swift
+++ b/Sources/LicensePlist/main.swift
@@ -13,6 +13,7 @@ private func loadConfig(configPath: URL) -> Config {
 let main = command(Option("cartfile-path", default: Consts.cartfileName),
                    Option("pods-path", default: Consts.podsDirectoryName),
                    Option("package-path", default: Consts.packageName),
+                   Option("xcodeproj-path", default: "*.xcodeproj"),
                    Option("output-path", default: Consts.outputPath),
                    Option("github-token", default: ""),
                    Option("config-path", default: Consts.configPath),
@@ -21,7 +22,7 @@ let main = command(Option("cartfile-path", default: Consts.cartfileName),
                    Option("markdown-path", default: ""),
                    Flag("force"),
                    Flag("add-version-numbers"),
-                   Flag("suppress-opening-directory")) { cartfile, podsPath, packagePath, output, gitHubToken, configPath, prefix, htmlPath, markdownPath, force, version, suppressOpen in
+                   Flag("suppress-opening-directory")) { cartfile, podsPath, packagePath, xcodeprojPath, output, gitHubToken, configPath, prefix, htmlPath, markdownPath, force, version, suppressOpen in
 
                     Logger.configure()
                     var config = loadConfig(configPath: URL(fileURLWithPath: configPath))
@@ -32,6 +33,7 @@ let main = command(Option("cartfile-path", default: Consts.cartfileName),
                                           cartfilePath: URL(fileURLWithPath: cartfile),
                                           podsPath: URL(fileURLWithPath: podsPath),
                                           packagePath: URL(fileURLWithPath: packagePath),
+                                          xcodeprojPath: URL(fileURLWithPath: xcodeprojPath),
                                           prefix: prefix,
                                           gitHubToken: gitHubToken.isEmpty ? ProcessInfo.processInfo.environment["LICENSE_PLIST_GITHUB_TOKEN"] : gitHubToken,
                                           htmlPath: htmlPath.isEmpty ? nil : URL(fileURLWithPath: htmlPath),
diff --git a/Sources/LicensePlistCore/Consts.swift b/Sources/LicensePlistCore/Consts.swift
index a2317f34..0c6e40bf 100644
--- a/Sources/LicensePlistCore/Consts.swift
+++ b/Sources/LicensePlistCore/Consts.swift
@@ -4,6 +4,7 @@ public struct Consts {
     public static let cartfileName = "Cartfile"
     public static let podsDirectoryName = "Pods"
     public static let packageName = "Package.swift"
+    public static let xcodeprojExtension = "xcodeproj"
     public static let prefix = "com.mono0926.LicensePlist"
     public static let outputPath = "\(prefix).Output"
     public static let configPath = "license_plist.yml"
diff --git a/Sources/LicensePlistCore/Entity/Options.swift b/Sources/LicensePlistCore/Entity/Options.swift
index fedd8450..85b2858b 100644
--- a/Sources/LicensePlistCore/Entity/Options.swift
+++ b/Sources/LicensePlistCore/Entity/Options.swift
@@ -5,6 +5,7 @@ public struct Options {
     public let cartfilePath: URL
     public let podsPath: URL
     public let packagePath: URL
+    public let xcodeprojPath: URL
     public let prefix: String
     public let gitHubToken: String?
     public let htmlPath: URL?
@@ -15,6 +16,7 @@ public struct Options {
                                       cartfilePath: URL(fileURLWithPath: ""),
                                       podsPath: URL(fileURLWithPath: ""),
                                       packagePath: URL(fileURLWithPath: ""),
+                                      xcodeprojPath: URL(fileURLWithPath: ""),
                                       prefix: Consts.prefix,
                                       gitHubToken: nil,
                                       htmlPath: nil,
@@ -25,6 +27,7 @@ public struct Options {
                 cartfilePath: URL,
                 podsPath: URL,
                 packagePath: URL,
+                xcodeprojPath: URL,
                 prefix: String,
                 gitHubToken: String?,
                 htmlPath: URL?,
@@ -34,6 +37,7 @@ public struct Options {
         self.cartfilePath = cartfilePath
         self.podsPath = podsPath
         self.packagePath = packagePath
+        self.xcodeprojPath = xcodeprojPath
         self.prefix = prefix
         self.gitHubToken = gitHubToken
         self.htmlPath = htmlPath
diff --git a/Sources/LicensePlistCore/LicensePlist.swift b/Sources/LicensePlistCore/LicensePlist.swift
index 8d461403..c27e4d24 100644
--- a/Sources/LicensePlistCore/LicensePlist.swift
+++ b/Sources/LicensePlistCore/LicensePlist.swift
@@ -11,7 +11,7 @@ public final class LicensePlist {
         var info = PlistInfo(options: options)
         info.loadCocoaPodsLicense(acknowledgements: readPodsAcknowledgements(path: options.podsPath))
         info.loadGitHubLibraries(cartfile: readCartfile(path: options.cartfilePath))
-        info.loadSwiftPackageLibraries(packageFile: readSwiftPackages(path: options.packagePath))
+        info.loadSwiftPackageLibraries(packageFile: readSwiftPackages(path: options.packagePath) ?? readXcodeProject(path: options.xcodeprojPath))
         info.loadManualLibraries()
         info.compareWithLatestSummary()
         info.downloadGitHubLicenses()
@@ -37,7 +37,7 @@ private func readCartfile(path: URL) -> String? {
 }
 
 private func readSwiftPackages(path: URL) -> String? {
-    if path.lastPathComponent != Consts.packageName {
+    if path.lastPathComponent != Consts.packageName && path.lastPathComponent != "Package.resolved" {
         fatalError("Invalid Package.swift name: \(path.lastPathComponent)")
     }
     if let content = path.deletingPathExtension().appendingPathExtension("resolved").lp.read() {
@@ -46,6 +46,29 @@ private func readSwiftPackages(path: URL) -> String? {
     return path.lp.read()
 }
 
+private func readXcodeProject(path: URL) -> String? {
+
+    var projectPath: URL?
+    if path.lastPathComponent.contains("*") {
+        // find first "xcodeproj" in directory
+        projectPath = path.deletingLastPathComponent().lp.listDir().first { $0.pathExtension == Consts.xcodeprojExtension }
+    } else {
+        // use the specified path
+        projectPath = path
+    }
+    guard let validatedPath = projectPath else { return nil }
+
+    if validatedPath.pathExtension != Consts.xcodeprojExtension {
+        return nil
+    }
+    let packageResolvedPath = validatedPath
+        .appendingPathComponent("project.xcworkspace")
+        .appendingPathComponent("xcshareddata")
+        .appendingPathComponent("swiftpm")
+        .appendingPathComponent("Package.resolved")
+    return readSwiftPackages(path: packageResolvedPath)
+}
+
 private func readPodsAcknowledgements(path: URL) -> [String] {
     if path.lastPathComponent != Consts.podsDirectoryName {
         fatalError("Invalid Pods name: \(path.lastPathComponent)")
diff --git a/Tests/LicensePlistTests/Entity/PlistInfoTests.swift b/Tests/LicensePlistTests/Entity/PlistInfoTests.swift
index dfa99cc2..ce6daa6d 100644
--- a/Tests/LicensePlistTests/Entity/PlistInfoTests.swift
+++ b/Tests/LicensePlistTests/Entity/PlistInfoTests.swift
@@ -13,6 +13,7 @@ class PlistInfoTests: XCTestCase {
                                   cartfilePath: URL(fileURLWithPath: "test_result_dir"),
                                   podsPath: URL(fileURLWithPath: "test_result_dir"),
                                   packagePath: URL(fileURLWithPath: "test_result_dir"),
+                                  xcodeprojPath: URL(fileURLWithPath: "test_result_dir"),
                                   prefix: Consts.prefix,
                                   gitHubToken: nil,
                                   htmlPath: nil,