diff --git a/.gitmodules b/.gitmodules
index e2aa474..30cfaa7 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -298,3 +298,7 @@
 	path = frontend/apps/gridadmin-app
 	url = https://github.com/gridsuite/gridadmin-app.git
 	branch = main
+[submodule "backend/libs/filter"]
+	path = backend/libs/filter
+	url = https://github.com/gridsuite/filter
+	branch = main
diff --git a/backend/libs/filter b/backend/libs/filter
new file mode 160000
index 0000000..d04a570
--- /dev/null
+++ b/backend/libs/filter
@@ -0,0 +1 @@
+Subproject commit d04a57009a34e76a95b6c1096026182965ac6e5d