prepare v0.1.3 release
diff --git a/README.md b/README.md
index 08690bc..3b21e08 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,10 @@
 
 ## Versions
 
+### v0.1.3
+
+- cache mllibRatings RDD in algorithm train() because it is used at multiple places (non-empty data check and ALS)
+
 ### v0.1.2
 
 - update for PredictionIO 0.9.0