diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..a48aa26
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "oss-internship-2020/sapi_libarchive/libarchive"]
+	path = oss-internship-2020/sapi_libarchive/libarchive
+	url = https://github.com/libarchive/libarchive
diff --git a/oss-internship-2020/sapi_libarchive/libarchive b/oss-internship-2020/sapi_libarchive/libarchive
new file mode 160000
index 0000000..34940ef
--- /dev/null
+++ b/oss-internship-2020/sapi_libarchive/libarchive
@@ -0,0 +1 @@
+Subproject commit 34940ef6ea0b21d77cb501d235164ad88f19d40c