diff --git a/Ukam.xcodeproj/project.pbxproj b/Ukam.xcodeproj/project.pbxproj
index 4e57eb4..ee1c4f5 100644
--- a/Ukam.xcodeproj/project.pbxproj
+++ b/Ukam.xcodeproj/project.pbxproj
@@ -259,6 +259,7 @@
 			buildConfigurationList = 82C57F0927D46DC100395627 /* Build configuration list for PBXNativeTarget "Ukam" */;
 			buildPhases = (
 				82C57EF527D46DB900395627 /* Sources */,
+				82479FAE2C7203580063996B /* Sign Sparkle Updater */,
 				82C57EF627D46DB900395627 /* Frameworks */,
 				82C5D37D2C675B3000395627 /* Copy Acknowledgements */,
 				82C57EF727D46DB900395627 /* Resources */,
@@ -375,6 +376,24 @@
 			shellPath = /bin/sh;
 			shellScript = "hoshi_cli=\"$PROJECT_DIR/.vendor/hoshi.app/Contents/hoshi-cli\"\n\nwork_dir=$(mktemp -d)\nfunction cleanup {\n  rm -rf \"$work_dir\"\n}\ntrap cleanup EXIT\n\n$hoshi_cli publish --project \"$PROJECT_DIR/localize\" --outDir \"$work_dir\" app\n\ncp \"$work_dir/app/strings/en.strings\" \"$PROJECT_DIR/Ukam/en.lproj/Localizable.strings\"\ncp \"$work_dir/app/strings/ja.strings\" \"$PROJECT_DIR/Ukam/ja.lproj/Localizable.strings\"\n";
 		};
+		82479FAE2C7203580063996B /* Sign Sparkle Updater */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+			);
+			inputPaths = (
+			);
+			name = "Sign Sparkle Updater";
+			outputFileListPaths = (
+			);
+			outputPaths = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "set -exu\n\nif [ \"$CONFIGURATION\" != Release ]; then\n   exit 0\nfi\n\ncodesign --verbose --force --sign \"$CODE_SIGN_IDENTITY\" --timestamp --deep --options runtime \"${BUILT_PRODUCTS_DIR}/Sparkle.framework/Versions/Current/Updater.app\"\n";
+		};
 		82C5D37D2C675B3000395627 /* Copy Acknowledgements */ = {
 			isa = PBXShellScriptBuildPhase;
 			alwaysOutOfDate = 1;