diff --git a/data/versions.yml b/data/versions.yml
index 00a7b265e0..c5d55f38af 100644
--- a/data/versions.yml
+++ b/data/versions.yml
@@ -1,5 +1,5 @@
 # The version of Istio currently documented in istio.io
-main: "1.4"
+main: "1.5"
 
 # The version of Istio currently documented in preliminary.istio.io
-preliminary: "1.5"
+preliminary: "1.6"
diff --git a/scripts/build_archive_site.sh b/scripts/build_archive_site.sh
index 353fbc9338..eb734b057f 100755
--- a/scripts/build_archive_site.sh
+++ b/scripts/build_archive_site.sh
@@ -22,6 +22,7 @@ BASEURL="$1"
 
 # List of name:tagOrBranch
 TOBUILD=(
+  v1.4:release-1.4
   v1.3:release-1.3
   v1.2:release-1.2
   v1.1:release-1.1