diff --git a/DESCRIPTION b/DESCRIPTION
index 154c283..0d972b1 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: bbw
 Type: Package
 Title: Blocked Weighted Bootstrap
-Version: 0.3.1
+Version: 0.3.1.9000
 Authors@R: c(
     person("Mark", "Myatt", comment = c(ORCID = "0000-0003-1119-1474"),
            email = "mark@brixtonhealth.com", role = c("aut", "cph")),
diff --git a/NEWS.md b/NEWS.md
index 15ff2f2..8d6dfad 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,5 @@
+# bbw (development version)
+
 # bbw 0.3.1
 
 This is the fourth CRAN release of `bbw`. This is a patch release which contains general upkeep and maintenance updates and changes.