diff --git a/MusicBar.xcodeproj/project.pbxproj b/MusicBar.xcodeproj/project.pbxproj
index 53ed65b..f7da39e 100644
--- a/MusicBar.xcodeproj/project.pbxproj
+++ b/MusicBar.xcodeproj/project.pbxproj
@@ -340,7 +340,7 @@
 					"@executable_path/../Frameworks",
 				);
 				MACOSX_DEPLOYMENT_TARGET = 10.15;
-				MARKETING_VERSION = 0.1.5;
+				MARKETING_VERSION = 0.1.5b;
 				PRODUCT_BUNDLE_IDENTIFIER = com.kentakoong.MusicBar;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_EMIT_LOC_STRINGS = YES;
@@ -371,7 +371,7 @@
 					"@executable_path/../Frameworks",
 				);
 				MACOSX_DEPLOYMENT_TARGET = 10.15;
-				MARKETING_VERSION = 0.1.5;
+				MARKETING_VERSION = 0.1.5b;
 				PRODUCT_BUNDLE_IDENTIFIER = com.kentakoong.MusicBar;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_EMIT_LOC_STRINGS = YES;