diff --git a/app-ios/App/App.xcodeproj/project.pbxproj b/app-ios/App/App.xcodeproj/project.pbxproj
index c7df7a9aa..06f60b6b0 100644
--- a/app-ios/App/App.xcodeproj/project.pbxproj
+++ b/app-ios/App/App.xcodeproj/project.pbxproj
@@ -459,7 +459,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "@executable_path/Frameworks";
 				"LD_RUNPATH_SEARCH_PATHS[sdk=macosx*]" = "@executable_path/../Frameworks";
 				MACOSX_DEPLOYMENT_TARGET = 14.4;
-				MARKETING_VERSION = 1.0;
+				MARKETING_VERSION = 0.0.1;
 				PRODUCT_BUNDLE_IDENTIFIER = io.github.droidkaigi.DroidKaigi2024;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = auto;
@@ -497,7 +497,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "@executable_path/Frameworks";
 				"LD_RUNPATH_SEARCH_PATHS[sdk=macosx*]" = "@executable_path/../Frameworks";
 				MACOSX_DEPLOYMENT_TARGET = 14.4;
-				MARKETING_VERSION = 1.0;
+				MARKETING_VERSION = 0.0.1;
 				PRODUCT_BUNDLE_IDENTIFIER = io.github.droidkaigi.DroidKaigi2024;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = auto;