diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..a60ca3a
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "rocksdb-sys/rocksdb"]
+	path = rocksdb-sys/rocksdb
+	url = https://github.com/facebook/rocksdb
diff --git a/rocksdb-sys/rocksdb b/rocksdb-sys/rocksdb
new file mode 160000
index 0000000..3257221
--- /dev/null
+++ b/rocksdb-sys/rocksdb
@@ -0,0 +1 @@
+Subproject commit 325722149925b8dfdfcdf96531b2ae114b736b32