diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..eb2405a
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,6 @@
+[submodule "yubikey-full-disk-encryption"]
+	path = yubikey-full-disk-encryption
+	url = https://github.com/agherzan/yubikey-full-disk-encryption
+[submodule "yubikey-personalization"]
+	path = yubikey-personalization
+	url = https://github.com/Yubico/yubikey-personalization.git
diff --git a/yubikey-full-disk-encryption b/yubikey-full-disk-encryption
index 5894916..52f23b4 160000
--- a/yubikey-full-disk-encryption
+++ b/yubikey-full-disk-encryption
@@ -1 +1 @@
-Subproject commit 5894916901b9ecfbe8bbe35e8a63023c84bd48f5
+Subproject commit 52f23b4bc858d89a68f8a6d03d662312361c63fa