diff --git a/config/common.mk b/config/common.mk
index 48b1820..4d649be 100644
--- a/config/common.mk
+++ b/config/common.mk
@@ -160,7 +160,7 @@
 include vendor/slim/config/themes_common.mk
 PRODUCT_VERSION_MAJOR = 4.2.1
 PRODUCT_VERSION_MINOR = Beta
-PRODUCT_VERSION_MAINTENANCE = 2
+PRODUCT_VERSION_MAINTENANCE = 2.1
 
 PRODUCT_BUILD_PROP_OVERRIDES += BUILD_DISPLAY_ID=JOP40D