diff --git a/.gitmodules b/.gitmodules
index 09afd37..3432e43 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,6 @@
 [submodule "python-fido2"]
 	path = python-fido2
 	url = https://github.com/conorpp/python-fido2
+[submodule "crypto/micro-ecc"]
+	path = crypto/micro-ecc
+	url = https://github.com/kmackay/micro-ecc