diff --git a/.gitmodules b/.gitmodules
index 41795cb..c311ab8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "thermostat"]
 	path = thermostat
 	url = https://github.com/DataMinerUK/thermostat
+[submodule "bowling-challenge"]
+	path = bowling-challenge
+	url = https://github.com/DataMinerUK/bowling-challenge
diff --git a/bowling-challenge b/bowling-challenge
new file mode 160000
index 0000000..38ac578
--- /dev/null
+++ b/bowling-challenge
@@ -0,0 +1 @@
+Subproject commit 38ac578b28de67b854804dd1858ba6326ca17238