diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..887b3b1
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,9 @@
+[submodule "dependencies/pjproject"]
+	path = dependencies/pjproject
+	url = https://github.com/savoirfairelinux/pjproject
+[submodule "dependencies/opendht"]
+	path = dependencies/opendht
+	url = https://github.com/savoirfairelinux/opendht
+[submodule "dependencies/restinio"]
+	path = dependencies/restinio
+	url = https://github.com/aberaud/restinio
diff --git a/dependencies/opendht b/dependencies/opendht
new file mode 160000
index 0000000..61f43c6
--- /dev/null
+++ b/dependencies/opendht
@@ -0,0 +1 @@
+Subproject commit 61f43c6b05db0e0cc644e47a7c1e4c8c78b067c2
diff --git a/dependencies/pjproject b/dependencies/pjproject
new file mode 160000
index 0000000..1489db0
--- /dev/null
+++ b/dependencies/pjproject
@@ -0,0 +1 @@
+Subproject commit 1489db073be280629e41d387c1c2561f20b0bfb3
diff --git a/dependencies/restinio b/dependencies/restinio
new file mode 160000
index 0000000..6fd08b6
--- /dev/null
+++ b/dependencies/restinio
@@ -0,0 +1 @@
+Subproject commit 6fd08b65f6f15899dd0de3c801f6a5462b811c64