diff --git a/distribution/changelog.txt b/distribution/changelog.txt
index d918963dd7..288fba99dc 100644
--- a/distribution/changelog.txt
+++ b/distribution/changelog.txt
@@ -1,3 +1,6 @@
+0.4.0 (in development)
+------------------------------------------------------------------------
+
 0.3.5.1 (2021-11-21)
 ------------------------------------------------------------------------
 - Improved: [#12825, #12869] The Tile Inspector window’s layout has been tweaked slightly.