diff --git a/.gitmodules b/.gitmodules
index 4b59fdf2145339264ce36dd1f5079798a5417b44..f322160f1484b86df20b3bc6533b3bada258c3cf 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,15 +1,15 @@
 [submodule "doc_module_vitis"]
 	path = doc_module_vitis
-	url = http://gitlab.veremes.net/Documentation/doc_module_vitis.git
+	url = https://gitlab.veremes.net/Documentation/doc_module_vitis.git
 [submodule "doc_module_pdesi"]
 	path = doc_module_pdesi
-	url = http://gitlab.veremes.net/Documentation/doc_module_pdesi.git
+	url = https://gitlab.veremes.net/Documentation/doc_module_pdesi.git
 [submodule "doc_module_signaletique"]
 	path = doc_module_signaletique
-	url = http://gitlab.veremes.net/Documentation/doc_module_signaletique.git
+	url = https://gitlab.veremes.net/Documentation/doc_module_signaletique.git
 [submodule "doc_module_vmap"]
 	path = doc_module_vmap
-	url = http://gitlab.veremes.net/Documentation/doc_module_vmap.git
+	url = https://gitlab.veremes.net/Documentation/doc_module_vmap.git
 [submodule "doc_module_gtf"]
 	path = doc_module_gtf
-	url = http://gitlab.veremes.net/Documentation/doc_module_gtf.git
+	url = https://gitlab.veremes.net/Documentation/doc_module_gtf.git