changed dictionary format
diff --git a/NEWS b/NEWS
index 8aaf02d..f146eb1 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,6 @@
+v0.5.0
+Changed streaming & dictionary API
+
 v0.4.7
 Improved : small compression speed improvement in HC mode
 Changed : `zstd_decompress.c` has ZSTD_LEGACY_SUPPORT to 0 by default