diff --git a/RELEASE.md b/RELEASE.md
index e104c6842a3094e832eb23eb9b8511471a64ed0b..54b6aa295cb0afc868f6a8ffffad7e49c2549794 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -5,13 +5,12 @@ v0.6.0 (2018-04-04)
 ------
 1. Change mace header interfaces, only including necessary methods.
 
+v0.6.3 (2018-05-21)
+------
+1. support `float` data_type when running in gpu
 
 v0.7.0 (2018-05-18)
 ------
 1. Change interface that report error type
 2. Improve cpu performace
-3. Merge cpu/gpu engine to one
-
-v0.6.3 (2018-05-21)
-------
-1. support `float` data_type when running in gpu
\ No newline at end of file
+3. Merge cpu/gpu engine to one
\ No newline at end of file