diff --git a/config/common.mk b/config/common.mk
index 469486b..73383e6 100644
--- a/config/common.mk
+++ b/config/common.mk
@@ -145,7 +145,7 @@
 # SlimLP first version.
 PRODUCT_VERSION_MAJOR = 5.0
 PRODUCT_VERSION_MINOR = alpha
-PRODUCT_VERSION_MAINTENANCE = 0.5
+PRODUCT_VERSION_MAINTENANCE = 0.6
 ifdef SLIM_BUILD_EXTRA
     SLIM_POSTFIX := -$(SLIM_BUILD_EXTRA)
 endif