diff --git a/VibeTunnel.xcodeproj/project.pbxproj b/VibeTunnel.xcodeproj/project.pbxproj
index 80304d64..35630e18 100644
--- a/VibeTunnel.xcodeproj/project.pbxproj
+++ b/VibeTunnel.xcodeproj/project.pbxproj
@@ -445,7 +445,7 @@
 					"@executable_path/../Frameworks",
 				);
 				MACOSX_DEPLOYMENT_TARGET = 14.0;
-				MARKETING_VERSION = 1.0.0;
+				MARKETING_VERSION = "$(MARKETING_VERSION)";
 				PRODUCT_BUNDLE_IDENTIFIER = sh.vibetunnel.vibetunnel;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_EMIT_LOC_STRINGS = YES;
@@ -482,7 +482,7 @@
 					"@executable_path/../Frameworks",
 				);
 				MACOSX_DEPLOYMENT_TARGET = 14.0;
-				MARKETING_VERSION = 1.0.0;
+				MARKETING_VERSION = "$(MARKETING_VERSION)";
 				PRODUCT_BUNDLE_IDENTIFIER = sh.vibetunnel.vibetunnel;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_EMIT_LOC_STRINGS = YES;
@@ -499,7 +499,7 @@
 				DEVELOPMENT_TEAM = "";
 				GENERATE_INFOPLIST_FILE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 14.0;
-				MARKETING_VERSION = 1.0.0;
+				MARKETING_VERSION = "$(MARKETING_VERSION)";
 				PRODUCT_BUNDLE_IDENTIFIER = sh.vibetunnel.vibetunnelTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_EMIT_LOC_STRINGS = NO;
@@ -517,7 +517,7 @@
 				DEVELOPMENT_TEAM = "";
 				GENERATE_INFOPLIST_FILE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 14.0;
-				MARKETING_VERSION = 1.0.0;
+				MARKETING_VERSION = "$(MARKETING_VERSION)";
 				PRODUCT_BUNDLE_IDENTIFIER = sh.vibetunnel.vibetunnelTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_EMIT_LOC_STRINGS = NO;