diff --git a/.gitmodules b/.gitmodules
index 640cf9d..14ddf00 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,3 +7,9 @@
 [submodule "arduino/WebThrottle-EX"]
 	path = arduino/WebThrottle-EX
 	url = https://github.com/DCC-EX/WebThrottle-EX
+[submodule "arduino/vim-arduino"]
+	path = arduino/vim-arduino
+	url = https://github.com/stevearc/vim-arduino
+[submodule "arduino/arduino-cli"]
+	path = arduino/arduino-cli
+	url = https://github.com/arduino/arduino-cli.git
diff --git a/arduino/arduino-cli b/arduino/arduino-cli
new file mode 160000
index 0000000..e63c798
--- /dev/null
+++ b/arduino/arduino-cli
@@ -0,0 +1 @@
+Subproject commit e63c798cda729592f449660cbb0d2a8dc9473ca0
diff --git a/arduino/vim-arduino b/arduino/vim-arduino
new file mode 160000
index 0000000..c1cc3e3
--- /dev/null
+++ b/arduino/vim-arduino
@@ -0,0 +1 @@
+Subproject commit c1cc3e3ac15f3c4279139f6254223361c500c15d