diff --git a/DESCRIPTION b/DESCRIPTION
index 33729b27..f097e422 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: bvhar
 Type: Package
 Title: Bayesian Vector Heterogeneous Autoregressive Modeling
-Version: 2.2.0
+Version: 2.2.0.9000
 Authors@R: 
     c(person(given = "Young Geun",
              family = "Kim",
diff --git a/NEWS.md b/NEWS.md
index 8a64ccae..14fcaeb2 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,5 @@
+# bvhar (development version)
+
 # bvhar 2.2.0
 
 * Requires `R >= 4.1` following [tidyverse R version support schedule](https://www.tidyverse.org/blog/2019/04/r-version-support/)