diff --git a/ci/main.go b/ci/main.go
index 7add714..ec00f15 100644
--- a/ci/main.go
+++ b/ci/main.go
@@ -44,7 +44,7 @@ func main() {
 		WithExec([]string{"rm", "-rf", "vendor/audriga/scim-server-php/.git"}).
 		Directory("vendor")
 
-	output := client.Container().From("docker.io/nextcloud:27").
+	output := client.Container().From("docker.io/nextcloud:28").
 		WithWorkdir("/scimserviceprovider").
 		WithDirectory("vendor", vendor).
 		WithDirectory(".", client.Host().Directory(".", dagger.HostDirectoryOpts{