diff --git a/Sources/XcodeGenKit/Version.swift b/Sources/XcodeGenKit/Version.swift
index 007d26f6..7b7246e9 100644
--- a/Sources/XcodeGenKit/Version.swift
+++ b/Sources/XcodeGenKit/Version.swift
@@ -16,7 +16,7 @@ extension Project {
     }
 
     var objectVersion: UInt {
-        70
+        77
     }
 
     var minimizedProjectReferenceProxies: Int {
diff --git a/Tests/Fixtures/CarthageProject/Project.xcodeproj/project.pbxproj b/Tests/Fixtures/CarthageProject/Project.xcodeproj/project.pbxproj
index 3289e3bd..5b62b813 100644
--- a/Tests/Fixtures/CarthageProject/Project.xcodeproj/project.pbxproj
+++ b/Tests/Fixtures/CarthageProject/Project.xcodeproj/project.pbxproj
@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 70;
+	objectVersion = 77;
 	objects = {
 
 /* Begin PBXBuildFile section */
@@ -333,7 +333,7 @@
 			);
 			mainGroup = 293D0FF827366B513839236A;
 			minimizedProjectReferenceProxies = 1;
-			preferredProjectObjectVersion = 70;
+			preferredProjectObjectVersion = 77;
 			projectDirPath = "";
 			projectRoot = "";
 			targets = (
diff --git a/Tests/Fixtures/SPM/SPM.xcodeproj/project.pbxproj b/Tests/Fixtures/SPM/SPM.xcodeproj/project.pbxproj
index 7918465d..b25b23fb 100644
--- a/Tests/Fixtures/SPM/SPM.xcodeproj/project.pbxproj
+++ b/Tests/Fixtures/SPM/SPM.xcodeproj/project.pbxproj
@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 70;
+	objectVersion = 77;
 	objects = {
 
 /* Begin PBXAggregateTarget section */
@@ -257,7 +257,7 @@
 				630A8CE9F2BE39704ED9D461 /* XCLocalSwiftPackageReference "FooFeature" */,
 				C6539B364583AE96C18CE377 /* XCLocalSwiftPackageReference "../../.." */,
 			);
-			preferredProjectObjectVersion = 70;
+			preferredProjectObjectVersion = 77;
 			projectDirPath = "";
 			projectRoot = "";
 			targets = (
diff --git a/Tests/Fixtures/TestProject/AnotherProject/AnotherProject.xcodeproj/project.pbxproj b/Tests/Fixtures/TestProject/AnotherProject/AnotherProject.xcodeproj/project.pbxproj
index c23cbc73..00cc8462 100644
--- a/Tests/Fixtures/TestProject/AnotherProject/AnotherProject.xcodeproj/project.pbxproj
+++ b/Tests/Fixtures/TestProject/AnotherProject/AnotherProject.xcodeproj/project.pbxproj
@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 70;
+	objectVersion = 77;
 	objects = {
 
 /* Begin PBXFileReference section */
@@ -130,7 +130,7 @@
 			);
 			mainGroup = 4E8CFA4275C972686621210C;
 			minimizedProjectReferenceProxies = 1;
-			preferredProjectObjectVersion = 70;
+			preferredProjectObjectVersion = 77;
 			projectDirPath = "";
 			projectRoot = "";
 			targets = (
diff --git a/Tests/Fixtures/TestProject/Project.xcodeproj/project.pbxproj b/Tests/Fixtures/TestProject/Project.xcodeproj/project.pbxproj
index ce031a8c..6aa8bed9 100644
--- a/Tests/Fixtures/TestProject/Project.xcodeproj/project.pbxproj
+++ b/Tests/Fixtures/TestProject/Project.xcodeproj/project.pbxproj
@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 70;
+	objectVersion = 77;
 	objects = {
 
 /* Begin PBXAggregateTarget section */
@@ -2459,7 +2459,7 @@
 			packageReferences = (
 				4EDA79334592CBBA0E507AD2 /* XCRemoteSwiftPackageReference "Swinject" */,
 			);
-			preferredProjectObjectVersion = 70;
+			preferredProjectObjectVersion = 77;
 			projectDirPath = "";
 			projectReferences = (
 				{
diff --git a/Tests/Fixtures/scheme_test/TestProject.xcodeproj/project.pbxproj b/Tests/Fixtures/scheme_test/TestProject.xcodeproj/project.pbxproj
index 4623c988..baed78ca 100644
--- a/Tests/Fixtures/scheme_test/TestProject.xcodeproj/project.pbxproj
+++ b/Tests/Fixtures/scheme_test/TestProject.xcodeproj/project.pbxproj
@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 70;
+	objectVersion = 77;
 	objects = {
 
 /* Begin PBXFileReference section */
@@ -83,7 +83,7 @@
 			);
 			mainGroup = 2D08B11F4EE060D112B7BCA1;
 			minimizedProjectReferenceProxies = 1;
-			preferredProjectObjectVersion = 70;
+			preferredProjectObjectVersion = 77;
 			projectDirPath = "";
 			projectRoot = "";
 			targets = (