diff --git a/.gitignore b/.gitignore
index 8ea1721c..9a6f3815 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,5 @@ LiturgicalCalendar.iml
 .idea
 engineCache/*
 allowedOrigins.php
+vendor/*
+
diff --git a/composer.json b/composer.json
new file mode 100644
index 00000000..2a0f21ae
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,5 @@
+{
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+}
diff --git a/composer.lock b/composer.lock
new file mode 100644
index 00000000..4d9bca9e
--- /dev/null
+++ b/composer.lock
@@ -0,0 +1,244 @@
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+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for the Mbstring extension",
+            "homepage": "https://symfony.com",
+            "keywords": [
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+                "mbstring",
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+            "support": {
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+            },
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+                }
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+            "time": "2021-11-30T18:21:41+00:00"
+        }
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+    "aliases": [],
+    "minimum-stability": "stable",
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+}