diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..506f636
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "utils"]
+	path = utils
+	url = https://gitlab.inria.fr/whar/packages/latex-utils.git
diff --git a/utils b/utils
new file mode 160000
index 0000000..d4b86d0
--- /dev/null
+++ b/utils
@@ -0,0 +1 @@
+Subproject commit d4b86d0d9d8d41de4941e6a3f9bcba2847405e2d