diff --git a/composer.json b/composer.json
index 2c63c08..124fdb4 100644
--- a/composer.json
+++ b/composer.json
@@ -1,2 +1,18 @@
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diff --git a/composer.lock b/composer.lock
new file mode 100644
index 0000000..28e0126
--- /dev/null
+++ b/composer.lock
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libgit2 0.21.2