diff --git a/.gitmodules b/.gitmodules
index dd69178ff0..7b390efe57 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -79,3 +79,6 @@
 [submodule "genconfig"]
 	path = genconfig
 	url = https://github.com/mborgerson/genconfig.git
+[submodule "tomlplusplus"]
+	path = tomlplusplus
+	url = https://github.com/marzer/tomlplusplus
diff --git a/tomlplusplus b/tomlplusplus
new file mode 160000
index 0000000000..0f6a856dc4
--- /dev/null
+++ b/tomlplusplus
@@ -0,0 +1 @@
+Subproject commit 0f6a856dc436ef72667830de993f027c132b0529