diff --git a/_data/versions.json b/_data/versions.json
index 601359e1..1d3ebeea 100644
--- a/_data/versions.json
+++ b/_data/versions.json
@@ -1 +1 @@
-{"all":["8.8.1","8.8.0","8.7.0","8.6.0","8.5.0","8.4.1","8.4.0","8.3.1","8.3.0","8.2.1","8.2.0","8.1.0","8.0.0","8.0.0-rc.1","7.8.0","7.7.0","7.6.1","7.6.0","7.5.0","7.5.0-preview-arangodb.3.8","7.4.0","7.3.0","7.2.0","7.1.1","7.1.0","7.0.2","7.0.1","7.0.0","7.0.0-rc.2","7.0.0-rc.1","7.0.0-rc.0","7.0.0-preview.1","7.0.0-preview.0","6.14.1"],"stable":["8.8.1","8.8.0","8.7.0","8.6.0","8.5.0","8.4.1","8.4.0","8.3.1","8.3.0","8.2.1","8.2.0","8.1.0","8.0.0","7.8.0","7.7.0","7.6.1","7.6.0","7.5.0","7.4.0","7.3.0","7.2.0","7.1.1","7.1.0","7.0.2","7.0.1","7.0.0","6.14.1"]}
+{"all":["9.0.0-preview.1","8.8.1","8.8.0","8.7.0","8.6.0","8.5.0","8.4.1","8.4.0","8.3.1","8.3.0","8.2.1","8.2.0","8.1.0","8.0.0","8.0.0-rc.1","7.8.0","7.7.0","7.6.1","7.6.0","7.5.0","7.5.0-preview-arangodb.3.8","7.4.0","7.3.0","7.2.0","7.1.1","7.1.0","7.0.2","7.0.1","7.0.0","7.0.0-rc.2","7.0.0-rc.1","7.0.0-rc.0","7.0.0-preview.1","7.0.0-preview.0","6.14.1"],"stable":["8.8.1","8.8.0","8.7.0","8.6.0","8.5.0","8.4.1","8.4.0","8.3.1","8.3.0","8.2.1","8.2.0","8.1.0","8.0.0","7.8.0","7.7.0","7.6.1","7.6.0","7.5.0","7.4.0","7.3.0","7.2.0","7.1.1","7.1.0","7.0.2","7.0.1","7.0.0","6.14.1"]}