diff --git a/sqlcipher.xcodeproj/project.pbxproj b/sqlcipher.xcodeproj/project.pbxproj
index 061a0eb..1f8dbc8 100644
--- a/sqlcipher.xcodeproj/project.pbxproj
+++ b/sqlcipher.xcodeproj/project.pbxproj
@@ -119,6 +119,9 @@
 /* Begin PBXProject section */
 		08FB7793FE84155DC02AAC07 /* Project object */ = {
 			isa = PBXProject;
+			attributes = {
+				LastUpgradeCheck = 0410;
+			};
 			buildConfigurationList = 1DEB91EF08733DB70010E9CD /* Build configuration list for PBXProject "sqlcipher" */;
 			compatibilityVersion = "Xcode 3.1";
 			developmentRegion = English;