diff --git a/.gitmodules b/.gitmodules
index 6fe1ce5..33e66a8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,3 +7,6 @@
 [submodule "external/src/rapidjson"]
 	path = external/src/rapidjson
 	url = https://github.com/SChernykh/rapidjson
+[submodule "external/src/cppzmq"]
+	path = external/src/cppzmq
+	url = https://github.com/SChernykh/cppzmq
diff --git a/external/src/cppzmq b/external/src/cppzmq
new file mode 160000
index 0000000..267d300
--- /dev/null
+++ b/external/src/cppzmq
@@ -0,0 +1 @@
+Subproject commit 267d300d1c99381a0fbc7e060ae2899e51f5e425