diff --git a/.gitmodules b/.gitmodules
index fc2ba88..99d7bbf 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -23,3 +23,6 @@
 [submodule "external/solanaceae_tox"]
 	path = external/solanaceae_tox
 	url = https://github.com/Green-Sky/solanaceae_tox.git
+[submodule "external/solanaceae_zox"]
+	path = external/solanaceae_zox
+	url = https://github.com/Green-Sky/solanaceae_zox.git
diff --git a/external/CMakeLists.txt b/external/CMakeLists.txt
index 80a65a9..a52e2c7 100644
--- a/external/CMakeLists.txt
+++ b/external/CMakeLists.txt
@@ -12,3 +12,5 @@ add_subdirectory(./toxcore)
 add_subdirectory(./solanaceae_toxcore)
 add_subdirectory(./solanaceae_tox)
 
+add_subdirectory(./solanaceae_zox)
+
diff --git a/external/solanaceae_zox b/external/solanaceae_zox
new file mode 160000
index 0000000..f1b733c
--- /dev/null
+++ b/external/solanaceae_zox
@@ -0,0 +1 @@
+Subproject commit f1b733c0ae228d1e2bb7e85f8fd30e801caa21b5