diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..5a396ce
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "pscheck/certs"]
+	path = pscheck/certs
+	url = https://git.ynerant.fr/ynerant/pass-sanitaire-certs.git
diff --git a/pscheck/certs b/pscheck/certs
new file mode 160000
index 0000000..a33fa03
--- /dev/null
+++ b/pscheck/certs
@@ -0,0 +1 @@
+Subproject commit a33fa0396fda25dabbde7deac268f009276ad38d