diff --git a/modules/joexapi/src/main/resources/joex-openapi.yml b/modules/joexapi/src/main/resources/joex-openapi.yml
index 8a564f8e..12f140a7 100644
--- a/modules/joexapi/src/main/resources/joex-openapi.yml
+++ b/modules/joexapi/src/main/resources/joex-openapi.yml
@@ -2,7 +2,7 @@ openapi: 3.0.0
 
 info:
   title: Docspell JOEX
-  version: 0.8.0
+  version: 0.9.0-SNAPSHOT
 
 servers:
   - url: /api/v1
diff --git a/modules/restapi/src/main/resources/docspell-openapi.yml b/modules/restapi/src/main/resources/docspell-openapi.yml
index 946df73e..df434dc6 100644
--- a/modules/restapi/src/main/resources/docspell-openapi.yml
+++ b/modules/restapi/src/main/resources/docspell-openapi.yml
@@ -2,7 +2,7 @@ openapi: 3.0.0
 
 info:
   title: Docspell
-  version: 0.8.0
+  version: 0.9.0-SNAPSHOT
   description: |
     This is the remote API to Docspell, a personal document organizer.
 
diff --git a/version.sbt b/version.sbt
index c3945bb4..338b0ba2 100644
--- a/version.sbt
+++ b/version.sbt
@@ -1 +1 @@
-version in ThisBuild := "0.8.0"
+version in ThisBuild := "0.9.0-SNAPSHOT"