diff --git a/DESCRIPTION b/DESCRIPTION
index 3c80234..4a1cb42 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: sessioninfo
 Title: R Session Information
-Version: 1.2.3
+Version: 1.2.3.9000
 Authors@R: c(
     person("Gábor", "Csárdi", , "csardi.gabor@gmail.com", role = "cre"),
     person("Hadley", "Wickham", role = "aut"),
diff --git a/NEWS.md b/NEWS.md
index 5ea860c..0215faa 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,5 @@
+# sessioninfo (development version)
+
 
 # sessioninfo 1.2.3