diff --git a/DESCRIPTION b/DESCRIPTION
index a3c0028..d98a8e1 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: ycevo
 Type: Package
 Title: Nonparametric Estimation of the Yield Curve Evolution
-Version: 0.2.1
+Version: 0.2.1.9000
 Authors@R: 
     c(person(given = "Bonsoo",
              family = "Koo",
diff --git a/NEWS.md b/NEWS.md
index 9efeae0..fd20558 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,5 @@
+# ycevo (development version)
+
 # ycevo 0.2.1
 
 * Minor bug fixes