diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 7834613a..5660a2d3 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -54,10 +54,17 @@ jobs:
             sleep 2
           done
 
-      - name: Wait for MinIO bucket initialization
+      - name: Wait for the MinIO test bucket
         run: |
-          echo "Waiting for MinIO bucket initialization..."
-          docker wait bowphp_minio_init || true
+          echo "Waiting for the public 'tests' bucket on MinIO..."
+          for i in {1..30}; do
+            if [ "$(curl -s -o /dev/null -w '%{http_code}' http://127.0.0.1:9000/tests/)" = "200" ]; then
+              echo "MinIO bucket is ready!"
+              break
+            fi
+            echo "Waiting for MinIO... ($i/30)"
+            sleep 2
+          done
 
       - name: Cache Composer packages
         id: composer-cache
diff --git a/docker-compose.yml b/docker-compose.yml
index c7113c82..d992ccce 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -146,7 +146,12 @@ services:
             retries: 5
     minio:
         container_name: bowphp_minio
-        image: minio/minio
+        # MinIO removed its images from Docker Hub (minio/minio and minio/mc
+        # now return "object not found") and quay.io requires a login, which
+        # broke `docker compose up` in CI. Bitnami's frozen legacy archive is
+        # the drop-in: same API and ports, and it creates the test bucket
+        # itself through MINIO_DEFAULT_BUCKETS, so no `mc` init container.
+        image: bitnamilegacy/minio:latest
         restart: unless-stopped
         ports:
             - "9000:9000"
@@ -154,29 +159,15 @@ services:
         environment:
             MINIO_ROOT_USER: minioadmin
             MINIO_ROOT_PASSWORD: minioadmin
-        command: server /data --console-address ":9001"
+            # bucket:policy — a public "tests" bucket, as minio-init used to create.
+            MINIO_DEFAULT_BUCKETS: "tests:public"
         networks:
             - bowphp_network
         healthcheck:
-            test: ["CMD", "mc", "alias", "set", "local", "http://localhost:9000", "minioadmin", "minioadmin"]
+            test: ["CMD", "curl", "-sf", "http://localhost:9000/minio/health/ready"]
             interval: 10s
             timeout: 5s
             retries: 5
-    minio-init:
-        container_name: bowphp_minio_init
-        image: minio/mc
-        depends_on:
-            minio:
-                condition: service_healthy
-        entrypoint: >
-            /bin/sh -c "
-            mc alias set local http://minio:9000 minioadmin minioadmin;
-            mc mb --ignore-existing local/tests;
-            mc anonymous set public local/tests;
-            exit 0;
-            "
-        networks:
-            - bowphp_network
     zookeeper:
         container_name: bowphp_zookeeper
         image: confluentinc/cp-zookeeper:7.5.0