diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..5b36ba1
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,12 @@
+[submodule "caravel"]
+	path = caravel
+	url = https://github.com/efabless/caravel
+[submodule "mgmt_core_wrapper"]
+	path = mgmt_core_wrapper
+	url = https://github.com/efabless/caravel_mgmt_soc_litex
+[submodule "dependencies/openlane_src"]
+	path = dependencies/openlane_src
+	url = https://github.com/The-OpenROAD-Project/OpenLane
+[submodule "deps/timing-scripts"]
+	path = deps/timing-scripts
+	url = https://github.com/efabless/timing-scripts.git