diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..6b8c138
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "src/ext/libsndfile"]
+	path = src/ext/libsndfile
+	url = https://github.com/libsndfile/libsndfile.git
diff --git a/src/ext/libsndfile b/src/ext/libsndfile
new file mode 160000
index 0000000..68f6c16
--- /dev/null
+++ b/src/ext/libsndfile
@@ -0,0 +1 @@
+Subproject commit 68f6c16fe1407eff4cdde158566694c3ed666c2f