diff --git a/.gitmodules b/.gitmodules
index 629abbd..80cca96 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -61,3 +61,5 @@
 [submodule "Lode"]
 	path = Lode
 	url = https://github.com/Bond-009/advent-of-code-2020
+[submodule "Robbe/"]
+	url = https://github.com/Robbe7730/adventofcode2020