diff --git a/config/common.mk b/config/common.mk
index e921fda..eaf715c 100644
--- a/config/common.mk
+++ b/config/common.mk
@@ -159,7 +159,7 @@
 # T-Mobile theme engine
 include vendor/slim/config/themes_common.mk
 PRODUCT_VERSION_MAJOR = 4.2.1
-PRODUCT_VERSION_MINOR = Beta
+PRODUCT_VERSION_MINOR = Beta.1
 PRODUCT_VERSION_MAINTENANCE = 1
 
 PRODUCT_BUILD_PROP_OVERRIDES += BUILD_DISPLAY_ID=JOP40D