diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..9100952
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "vcard-test-suite"]
+	path = vcard-test-suite
+	url = https://gitlab.com/pwithnall/vcard-test-suite.git
diff --git a/vcard-test-suite b/vcard-test-suite
new file mode 160000
index 0000000..d41f891
--- /dev/null
+++ b/vcard-test-suite
@@ -0,0 +1 @@
+Subproject commit d41f89179a2d54af9af92df99d68ac2c1474268f