diff --git a/.gitmodules b/.gitmodules
index aecfec5..9806184 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -2,3 +2,6 @@
 	path = extern/pybind11
 	url = https://github.com/pybind/pybind11.git
 	branch = stable
+[submodule "tests/images"]
+	path = tests/images
+	url = https://git.pileof.rocks/drewcassidy/python-rgbcx-images.git
diff --git a/tests/images b/tests/images
new file mode 160000
index 0000000..dc0dfa9
--- /dev/null
+++ b/tests/images
@@ -0,0 +1 @@
+Subproject commit dc0dfa948994cc05501b544e8f3c396dad69897e