diff --git a/DESCRIPTION b/DESCRIPTION
index 1228db1..4c7ffcb 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Type: Package
 Package: htmlwidgets
 Title: HTML Widgets for R
-Version: 1.6.3
+Version: 1.6.3.9000
 Authors@R: c(
     person("Ramnath", "Vaidyanathan", role = c("aut", "cph")),
     person("Yihui", "Xie", role = "aut"),
diff --git a/NEWS.md b/NEWS.md
index 37f4cdd..92a4d22 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,5 @@
+# htmlwidgets (development version)
+
 # htmlwidgets 1.6.3
 
 ### Potentially breaking changes