diff --git a/Package.resolved b/Package.resolved
index d9ce4af..601c8cc 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -6,8 +6,8 @@
         "repositoryURL": "https://github.com/tadija/AEXML",
         "state": {
           "branch": null,
-          "revision": "54bb8ea6fb693dd3f92a89e5fcc19e199fdeedd0",
-          "version": "4.3.3"
+          "revision": "e4d517844dd03dac557e35d77a8e9ab438de91a6",
+          "version": "4.4.0"
         }
       },
       {
@@ -15,8 +15,8 @@
         "repositoryURL": "https://github.com/kylef/PathKit",
         "state": {
           "branch": null,
-          "revision": "e2f5be30e4c8f531c9c1e8765aa7b71c0a45d7a0",
-          "version": "0.9.2"
+          "revision": "73f8e9dca9b7a3078cb79128217dc8f2e585a511",
+          "version": "1.0.0"
         }
       },
       {
@@ -29,21 +29,21 @@
         }
       },
       {
-        "package": "SwiftShell",
-        "repositoryURL": "https://github.com/kareman/SwiftShell",
+        "package": "XcodeProj",
+        "repositoryURL": "https://github.com/tuist/xcodeproj.git",
         "state": {
           "branch": null,
-          "revision": "beebe43c986d89ea5359ac3adcb42dac94e5e08a",
-          "version": "4.1.2"
+          "revision": "912d40cc2ea4a300eff6dd7c6a10b4f4dedbcbec",
+          "version": "7.10.0"
         }
       },
       {
-        "package": "xcodeproj",
-        "repositoryURL": "https://github.com/tuist/xcodeproj.git",
+        "package": "XcodeProjCExt",
+        "repositoryURL": "https://github.com/tuist/XcodeProjCExt",
         "state": {
           "branch": null,
-          "revision": "4d31d2be2532e9213d58cd4e0b15588c5dfae42d",
-          "version": "6.5.0"
+          "revision": "21a510c225ff2bc83d5920a21d902af4b1e7e218",
+          "version": "0.1.0"
         }
       }
     ]
diff --git a/Package.swift b/Package.swift
index 58ff29b..a6dfaf9 100644
--- a/Package.swift
+++ b/Package.swift
@@ -12,12 +12,12 @@ let package = Package(
        )
     ],
     dependencies: [
-        .package(url: "https://github.com/tuist/xcodeproj.git", from: "6.2.0"),
+        .package(url: "https://github.com/tuist/xcodeproj.git", .upToNextMajor(from: "7.10.0")),
     ],
     targets: [
         .target(
             name: "xcodeproj-modify",
-            dependencies: ["xcodeproj"]),
+            dependencies: ["XcodeProj"]),
         .testTarget(
             name: "xcodeproj-modifyTests",
             dependencies: ["xcodeproj-modify"]),
diff --git a/Sources/xcodeproj-modify/Arguments.swift b/Sources/xcodeproj-modify/Arguments.swift
index e0c8fbf..ff9f51b 100644
--- a/Sources/xcodeproj-modify/Arguments.swift
+++ b/Sources/xcodeproj-modify/Arguments.swift
@@ -9,6 +9,8 @@ struct Arguments {
         case missingCommand
         case unknownCommand(String)
         case missingTarget
+        case missingName
+        case missingPosition
         case missingContents
         
         var errorDescription: String? {
@@ -21,6 +23,10 @@ struct Arguments {
                 return "Unknown command: \(command)"
             case .missingTarget:
                 return "Please specify a target as the first argument after add-run-script-phase"
+            case .missingPosition:
+                return "Please specify the position the build script shall be injected at"
+            case .missingName:
+                return "Please specify a build phase name"
             case .missingContents:
                 return "Please specify shell script contents as the second argument after add-run-script-phase"
             }
@@ -50,10 +56,16 @@ struct Arguments {
             guard let target = iterator.next() else {
                 throw Error.missingTarget
             }
+            guard let position = Int(iterator.next() ?? "-1") else {
+                throw Error.missingPosition
+            }
+            guard let name = iterator.next() else {
+                throw Error.missingName
+            }
             guard let contents = iterator.next() else {
                 throw Error.missingContents
             }
-            return Command.addRunScriptPhase(target: target, contents: contents)
+            return Command.addRunScriptPhase(target: target, position: position, name: name, contents: contents)
         
         default:
             throw Error.unknownCommand(commandName)
diff --git a/Sources/xcodeproj-modify/Command.swift b/Sources/xcodeproj-modify/Command.swift
index 62544b3..a4a3d2c 100644
--- a/Sources/xcodeproj-modify/Command.swift
+++ b/Sources/xcodeproj-modify/Command.swift
@@ -1,5 +1,5 @@
 import Foundation
 
 enum Command {
-    case addRunScriptPhase(target: String, contents: String)
+    case addRunScriptPhase(target: String, position: Int, name: String, contents: String)
 }
diff --git a/Sources/xcodeproj-modify/XcodeprojModify.swift b/Sources/xcodeproj-modify/XcodeprojModify.swift
index 43d6fa8..0092407 100644
--- a/Sources/xcodeproj-modify/XcodeprojModify.swift
+++ b/Sources/xcodeproj-modify/XcodeprojModify.swift
@@ -1,15 +1,18 @@
 import Foundation
 import PathKit
-import xcodeproj
+import XcodeProj
 
 struct XcodeprojModify {
     enum Error: LocalizedError {
         case unknownTarget(String)
+        case invalidPosition(Int)
         
         var errorDescription: String? {
             switch self {
             case .unknownTarget(let string):
                 return "Couldn't find target named \(string)"
+            case .invalidPosition(let int):
+                return "Unable to place build script at position \(int)"
             }
         }
     }
@@ -39,12 +42,12 @@ struct XcodeprojModify {
     
     private func runCommand(_ command: Command, with arguments: Arguments) throws {
         switch command {
-        case .addRunScriptPhase(let target, let contents):
-            try addRunScriptPhase(target: target, contents: contents, xcodeprojPath: arguments.xcodeprojPath)
+        case .addRunScriptPhase(let target, let position, let name, let contents):
+            try addRunScriptPhase(target: target, position: position, name: name, contents: contents, xcodeprojPath: arguments.xcodeprojPath)
         }
     }
     
-    private func addRunScriptPhase(target: String, contents: String, xcodeprojPath: String) throws {
+    private func addRunScriptPhase(target: String, position: Int, name: String, contents: String, xcodeprojPath: String) throws {
         let path = Path(xcodeprojPath)
         let xcodeproj = try XcodeProj(path: path)
         let targets = xcodeproj.pbxproj.targets(named: target)
@@ -52,10 +55,29 @@ struct XcodeprojModify {
             throw Error.unknownTarget(target)
         }
 
-        let phase = PBXShellScriptBuildPhase(shellScript: contents)
+        let phase = PBXShellScriptBuildPhase(name: name, shellScript: contents)
         for target in targets {
-            target.buildPhases = target.buildPhases + [phase]
+            var buildPhases = target.buildPhases.filter {
+                ($0 as? PBXShellScriptBuildPhase)?.name != phase.name
+            }
+
+            if position < 0 {
+                buildPhases.append(phase)
+            } else {
+                guard position < buildPhases.count else {
+                    throw Error.invalidPosition(position)
+                }
+                buildPhases.insert(phase, at: position)
+            }
+            target.buildPhases = buildPhases
+            print("Added build phase")
         }
-        try xcodeproj.write(path: path)
+        xcodeproj.pbxproj.add(object: phase)
+        try xcodeproj.writePBXProj(
+            path: path,
+            override: true,
+            outputSettings: PBXOutputSettings()
+        )
+        print("Successfully wrote data")
     }
 }