diff --git a/Fixtures/TestProject/GeneratedProject.xcodeproj/project.pbxproj b/Fixtures/TestProject/GeneratedProject.xcodeproj/project.pbxproj
index 370f1e8d..b38f2e34 100644
--- a/Fixtures/TestProject/GeneratedProject.xcodeproj/project.pbxproj
+++ b/Fixtures/TestProject/GeneratedProject.xcodeproj/project.pbxproj
@@ -74,8 +74,8 @@
 		G26536595301 /* TestProjectTests */ = {
 			isa = PBXGroup;
 			children = (
-				FR6877173101 /* TestProjectTests.swift */,
 				FR1345298503 /* Info.plist */,
+				FR6877173101 /* TestProjectTests.swift */,
 			);
 			name = TestProjectTests;
 			path = TestProjectTests;
@@ -84,9 +84,9 @@
 		G29934978701 /* MyFramework */ = {
 			isa = PBXGroup;
 			children = (
-				FR7740960501 /* MyFramework.h */,
 				FR7078510801 /* FrameworkFile.swift */,
 				FR1345298501 /* Info.plist */,
+				FR7740960501 /* MyFramework.h */,
 			);
 			name = MyFramework;
 			path = MyFramework;
@@ -95,10 +95,10 @@
 		G65232631501 /* TestProject */ = {
 			isa = PBXGroup;
 			children = (
-				FR6218091901 /* ViewController.swift */,
-				FR5980633301 /* Assets.xcassets */,
 				FR1332263601 /* AppDelegate.swift */,
+				FR5980633301 /* Assets.xcassets */,
 				FR1345298502 /* Info.plist */,
+				FR6218091901 /* ViewController.swift */,
 				VG6405436301 /* LaunchScreen.storyboard */,
 				VG1473702401 /* Main.storyboard */,
 			);
@@ -109,8 +109,8 @@
 		G83406189501 /* Configs */ = {
 			isa = PBXGroup;
 			children = (
-				FR6334256101 /* config.xcconfig */,
 				FR3546283901 /* base.xcconfig */,
+				FR6334256101 /* config.xcconfig */,
 			);
 			name = Configs;
 			path = Configs;
@@ -336,8 +336,8 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				BF1744565901 /* ViewController.swift in Sources */,
 				BF1073850101 /* AppDelegate.swift in Sources */,
+				BF1744565901 /* ViewController.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
diff --git a/Sources/XcodeGenKit/PBXProjGenerator.swift b/Sources/XcodeGenKit/PBXProjGenerator.swift
index 5c6be500..cc96b9b6 100644
--- a/Sources/XcodeGenKit/PBXProjGenerator.swift
+++ b/Sources/XcodeGenKit/PBXProjGenerator.swift
@@ -457,9 +457,20 @@ public class PBXProjGenerator {
     func getGroups(path: Path, depth: Int = 0) throws -> (filePaths: [Path], groups: [PBXGroup]) {
 
         let excludedFiles: [String] = [".DS_Store"]
-        let directories = try path.children().filter { $0.isDirectory && $0.extension == nil && $0.extension != "lproj" }
-        let filePaths = try path.children().filter { $0.isFile || $0.extension != nil && $0.extension != "lproj" }.filter { !excludedFiles.contains($0.lastComponent) }
-        let localisedDirectories = try path.children().filter { $0.extension == "lproj" }
+
+        let directories = try path.children()
+            .filter { $0.isDirectory && $0.extension == nil && $0.extension != "lproj" }
+            .sorted { $0.lastComponent < $1.lastComponent }
+
+        let filePaths = try path.children()
+            .filter { $0.isFile || $0.extension != nil && $0.extension != "lproj" }
+            .filter { !excludedFiles.contains($0.lastComponent) }
+            .sorted { $0.lastComponent < $1.lastComponent }
+
+        let localisedDirectories = try path.children()
+            .filter { $0.extension == "lproj" }
+            .sorted { $0.lastComponent < $1.lastComponent }
+
         var groupChildren: [String] = []
         var allFilePaths: [Path] = filePaths
         var groups: [PBXGroup] = []
@@ -477,7 +488,7 @@ public class PBXProjGenerator {
         }
 
         for localisedDirectory in localisedDirectories {
-            for path in try localisedDirectory.children() {
+            for path in try localisedDirectory.children().sorted { $0.lastComponent < $1.lastComponent } {
                 let filePath = "\(localisedDirectory.lastComponent)/\(path.lastComponent)"
                 let fileReference = PBXFileReference(reference: generateUUID(PBXFileReference.self, localisedDirectory.lastComponent), sourceTree: .group, name: localisedDirectory.lastComponentWithoutExtension, path: filePath)
                 addObject(fileReference)