diff --git a/.gitmodules b/.gitmodules
index 78c9c0b..39b7913 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,7 @@
 [submodule "subprojects/libevent"]
 	path = subprojects/libevent
 	url = https://github.com/libevent/libevent
+
+[submodule "subprojects/rapidjson"]
+	path = subprojects/rapidjson
+	url = https://github.com/Tencent/rapidjson/
diff --git a/subprojects/rapidjson b/subprojects/rapidjson
new file mode 160000
index 0000000..f56928d
--- /dev/null
+++ b/subprojects/rapidjson
@@ -0,0 +1 @@
+Subproject commit f56928de85d56add3ca6ae7cf7f119a42ee1585b