diff --git a/.gitmodules b/.gitmodules
index 804be204cc90787b04c1eab8ff32f23d162056fe..9c693bc1dc4b730ab596e1923b3f9dc5889d25ae 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,6 @@
 [submodule "frontend"]
 	path = frontend
 	url = git@gitlab.c3sl.ufpr.br:c3sl/treinamento-2025.1-frontend.git
+[submodule "backedn"]
+	path = backedn
+	url = git@gitlab.c3sl.ufpr.br:rpf23/treinamento-2025.1-backend.git
diff --git a/backend b/backend
new file mode 160000
index 0000000000000000000000000000000000000000..39842015516aef6e94cd53e70aa7820d54743b83
--- /dev/null
+++ b/backend
@@ -0,0 +1 @@
+Subproject commit 39842015516aef6e94cd53e70aa7820d54743b83