diff --git a/docs/hop-dev-manual/antora.yml b/docs/hop-dev-manual/antora.yml
index ae590821f0a..ecf7d5783c1 100644
--- a/docs/hop-dev-manual/antora.yml
+++ b/docs/hop-dev-manual/antora.yml
@@ -17,7 +17,7 @@
 
 name: dev-manual
 title: Development Documentation
-version: 2.8.0
+version: 2.9.0
 prerelease: true
 nav:
   - modules/ROOT/nav.adoc
diff --git a/docs/hop-tech-manual/antora.yml b/docs/hop-tech-manual/antora.yml
index e7cb479ed16..fbfaf743399 100644
--- a/docs/hop-tech-manual/antora.yml
+++ b/docs/hop-tech-manual/antora.yml
@@ -17,7 +17,7 @@
 
 name: tech-manual
 title: Technical Documentation
-version: 2.8.0
+version: 2.9.0
 prerelease: true
 nav:
   - modules/ROOT/nav.adoc
diff --git a/docs/hop-user-manual/antora.yml b/docs/hop-user-manual/antora.yml
index 537d95e0a4f..36036bdd2a5 100644
--- a/docs/hop-user-manual/antora.yml
+++ b/docs/hop-user-manual/antora.yml
@@ -17,8 +17,8 @@
 
 name: manual
 title: User manual
-version: 2.8.0
+version: 2.9.0
 prerelease: true
-display_version: 2.8.0 (pre-release)
+display_version: 2.9.0 (pre-release)
 nav:
   - modules/ROOT/nav.adoc