diff --git a/.gitmodules b/.gitmodules
index 186e7f8..58af6a8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -59,3 +59,11 @@
 	path = logos-chat-legacy-ui-testnet-mix-demo
 	url = https://github.com/logos-co/logos-chat-legacy-ui
 	branch = logos-testnet-mix-demo
+[submodule "logos-chat-legacy-module-testnet-mix-demo"]
+	path = logos-chat-legacy-module-testnet-mix-demo
+	url = https://github.com/logos-co/logos-chat-legacy-module
+	branch = logos-testnet-demo
+[submodule "logos-waku-module-testnet-mix-demo"]
+	path = logos-waku-module-testnet-mix-demo
+	url = https://github.com/logos-co/logos-waku-module
+	branch = logos-testnet-demo
diff --git a/logos-chat-legacy-module-testnet-mix-demo b/logos-chat-legacy-module-testnet-mix-demo
new file mode 160000
index 0000000..7f017b5
--- /dev/null
+++ b/logos-chat-legacy-module-testnet-mix-demo
@@ -0,0 +1 @@
+Subproject commit 7f017b596dcef958a7500fb72d803649a0e88cab
diff --git a/logos-waku-module-testnet-mix-demo b/logos-waku-module-testnet-mix-demo
new file mode 160000
index 0000000..8ea3dc6
--- /dev/null
+++ b/logos-waku-module-testnet-mix-demo
@@ -0,0 +1 @@
+Subproject commit 8ea3dc6f68f6728247f63ba9f9d05acbc609c4e3