diff --git a/.gitmodules b/.gitmodules
index e69de29..313f563 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -0,0 +1,6 @@
+[submodule "submodules/menstruation-telegram"]
+	path = submodules/menstruation-telegram
+	url = https://github.com/kmein/menstruation-telegram
+[submodule "submodules/menstruation-backend"]
+	path = submodules/menstruation-backend
+	url = https://github.com/kmein/menstruation.rs
diff --git a/submodules/menstruation-backend b/submodules/menstruation-backend
new file mode 160000
index 0000000..dd405fe
--- /dev/null
+++ b/submodules/menstruation-backend
@@ -0,0 +1 @@
+Subproject commit dd405fe2acf32441e8ac56e488e689bb1c4bea82
diff --git a/submodules/menstruation-telegram b/submodules/menstruation-telegram
new file mode 160000
index 0000000..3eab0f8
--- /dev/null
+++ b/submodules/menstruation-telegram
@@ -0,0 +1 @@
+Subproject commit 3eab0f8e4c96f42350a70f425a12c0a31b5800fd