diff --git a/DESCRIPTION b/DESCRIPTION
index 6751d533db35b7d1308d62858c8bcbfa3d35436c..be8edbd28cde1c3eced7384be9d73a1b600963d0 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: airGRiwrm
 Title: 'airGR' Integrated Water Resource Management
-Version: 0.6.1
+Version: 0.6.1.9000
 Date: 2022-03-03
 Authors@R: c(
     person("David", "Dorchies", , "david.dorchies@inrae.fr", role = c("aut", "cre"),
diff --git a/NEWS.md b/NEWS.md
index 07483caacf8602a4137374cba32b34b5506998f0..a6055fa72f72fef86fd5f51eeb7ca57ca8c39d44 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,5 @@
+# airGRiwrm (development version)
+
 airGRiwrm 0.6.1
 ===============