diff --git a/.gitmodules b/.gitmodules
index 5195bfc4c..75f16e6dd 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -5,3 +5,6 @@
 	path = src/js/sjcl
 	url = git://github.com/bitwiseshiftleft/sjcl.git
 	ignore = dirty
+[submodule "src/cpp/leveldb"]
+	path = src/cpp/leveldb
+	url = https://code.google.com/p/leveldb/
diff --git a/src/cpp/leveldb b/src/cpp/leveldb
new file mode 160000
index 000000000..514c943a8
--- /dev/null
+++ b/src/cpp/leveldb
@@ -0,0 +1 @@
+Subproject commit 514c943a8e9ce1b06c55ae5e47008f6b0854b36c