diff --git a/.gitignore b/.gitignore
index ea20ab0..5144056 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 2024/rust/target
 2023/rust/target
 */target
+2025/vendor
diff --git a/2025/.gitignore b/2025/.gitignore
deleted file mode 100644
index e69de29..0000000
diff --git a/2025/composer.json b/2025/composer.json
index a849697..98ade79 100644
--- a/2025/composer.json
+++ b/2025/composer.json
@@ -14,7 +14,7 @@
         }
     ],
     "minimum-stability": "dev",
-    "require": {}
+    "require": {},
     "scripts": {
       "start": "sh start.sh"
     }
diff --git a/2025/composer.lock b/2025/composer.lock
new file mode 100644
index 0000000..ee98dcb
--- /dev/null
+++ b/2025/composer.lock
@@ -0,0 +1,18 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "27bdc8e2df9841256442f902f4485d9d",
+    "packages": [],
+    "packages-dev": [],
+    "aliases": [],
+    "minimum-stability": "dev",
+    "stability-flags": {},
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": {},
+    "platform-dev": {},
+    "plugin-api-version": "2.6.0"
+}