diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 500a125..2ea0878 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -49,10 +49,10 @@ jobs:
               10
               latest
             smoke-version-jq: ".versionstring"
-          - version: 11.0.0-prealpha
-            tarball: https://download.owncloud.com/server/daily/owncloud-complete-daily-master.tar.bz2
+          - version: 11.0.0-rc1
+            tarball: https://github.com/owncloud/core/releases/download/v11.0.0-rc1/owncloud-complete-20260629.tar.bz2
             base: v24.04
-            trivy-ignore: v24.04/11.0.0-prealpha/.trivyignore
+            trivy-ignore: v24.04/11.0.0-rc1/.trivyignore
             smoke-version-jq: ""
 
   update-docker-hub-description:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index b81b5ef..9385661 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 2026-06-29
+
+* Changed
+  * Replace 11.0.0-prealpha with 11.0.0-rc1 built from the GitHub release tarball
+
 ## 2026-06-12
 
 * Added
diff --git a/README.md b/README.md
index cdb420a..85f0c5d 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ ownCloud is an open-source file sync, share and content collaboration software t
 ## Docker Tags and respective Dockerfile links
 
 - [`10.16.3`, `10.16`, `10`, `latest`](https://github.com/owncloud-docker/server/blob/master/v22.04/Dockerfile.multiarch) available as `owncloud/server:10.16.3`
-- [`11.0.0-prealpha`](https://github.com/owncloud-docker/server/blob/master/v24.04/Dockerfile.multiarch) available as `owncloud/server:11.0.0-prealpha`
+- [`11.0.0-rc1`](https://github.com/owncloud-docker/server/blob/master/v24.04/Dockerfile.multiarch) available as `owncloud/server:11.0.0-rc1`
 
 ## Default volumes
 
@@ -43,7 +43,7 @@ ownCloud is an open-source file sync, share and content collaboration software t
 
 ## Running occ commands
 
-Starting with `11.0.0-prealpha`, the image supports running any `occ` command
+Starting with `11.0.0-rc1`, the image supports running any `occ` command
 with full initialization (database, config, etc.) but without starting Apache,
 by using the `occ` subcommand in `docker-compose.yml`:
 
diff --git a/v24.04/11.0.0-prealpha/.trivyignore b/v24.04/11.0.0-rc1/.trivyignore
similarity index 100%
rename from v24.04/11.0.0-prealpha/.trivyignore
rename to v24.04/11.0.0-rc1/.trivyignore