diff --git a/DESCRIPTION b/DESCRIPTION
index de6a4b0..730a468 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: anyflights
 Title: Query 'nycflights13'-Like Air Travel Data for Given Years and Airports
-Version: 0.3.5
+Version: 0.3.5.9000
 Authors@R: c(
     person("Simon P.", "Couch", , "simonpatrickcouch@gmail.com", c("aut", "cre")),
     person("Hadley", "Wickham", , "hadley@rstudio.com", "ctb"),
diff --git a/NEWS.md b/NEWS.md
index e7d7d9e..1483f1f 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,5 @@
+# anyflights (development version)
+
 # anyflights 0.3.5
 
 * Include `tz = "GMT"` argument to `ISOdatetime()` so that weather output isn't