diff --git a/build.yaml b/build.yaml
index 7db0150..63985cd 100644
--- a/build.yaml
+++ b/build.yaml
@@ -14,7 +14,7 @@
   '#10': See the expand_version.py for all the quirks here
   core_version: 3.0.0-dev
   g_stands_for: gentle
-  version: 1.3.0-dev
+  version: 1.4.0-dev
 filegroups:
 - name: census
   public_headers: