diff --git a/ci/main.go b/ci/main.go
index c8644e5..f9c370a 100644
--- a/ci/main.go
+++ b/ci/main.go
@@ -40,7 +40,7 @@ func main() {
 	vendor := client.Container().From("docker.io/composer:2.6").
 		WithFile("composer.json", client.Host().File("composer.json")).
 		WithFile("composer.lock", client.Host().File("composer.lock")).
-		WithExec([]string{"i", "--no-dev", "--ignore-platform-reqs"}).
+		WithExec([]string{"composer", "i", "--no-dev", "--ignore-platform-reqs"}).
 		Directory("vendor")
 
 	output := client.Container().From("docker.io/nextcloud:27").
@@ -60,7 +60,7 @@ func main() {
 	_, err = client.Container().From("docker.io/minio/mc").
 		WithSecretVariable("MC_HOST_repo", s3Secret).
 		WithDirectory("/output", output).
-		WithExec([]string{"cp", "-r", "/output/", "repo/artifacts/"}).
+		WithExec([]string{"mc", "cp", "-r", "/output/", "repo/artifacts/"}).
 		Sync(ctx)
 	if err != nil {
 		panic(err)