diff --git a/DESCRIPTION b/DESCRIPTION
index 8e5945e6..12ae6871 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: dunlin
 Title: Preprocessing Tools for Clinical Trial Data
-Version: 0.1.4
-Date: 2023-07-21
+Version: 0.1.4.9000
+Date: 2023-07-25
 Authors@R: c(
     person("Benoit", "Falquet", , "benoit.falquet@roche.com", role = c("aut", "cre")),
     person("Liming", "Li", , "liming.li@roche.com", role = "aut"),
diff --git a/NEWS.md b/NEWS.md
index b710f6e4..42613042 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,5 @@
+# dunlin 0.1.4.9000
+
 # dunlin 0.1.4
 
 * `rules` now have attributes controlling their behavior during reformatting.