diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..a8d3faa
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "fail/src"]
+	path = fail/src
+	url = git@gitos.rrze.fau.de:wasm-hardening/fail.git
diff --git a/fail/src b/fail/src
new file mode 160000
index 0000000..952b11e
--- /dev/null
+++ b/fail/src
@@ -0,0 +1 @@
+Subproject commit 952b11eaabc09518fee3a0e736f08f767845ced8