diff --git a/.gitmodules b/.gitmodules
index f2a3af2db3..4c0a68a186 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -106,6 +106,10 @@
 	path = libs/thread
 	url = ../thread.git
 	fetchRecurseSubmodules = on-demand
+[submodule "tuple"]
+	path = libs/tuple
+	url = ../tuple.git
+	fetchRecurseSubmodules = on-demand
 [submodule "tokenizer"]
 	path = libs/tokenizer
 	url = ../tokenizer.git
diff --git a/libs/tuple b/libs/tuple
new file mode 160000
index 0000000000..adeeed1f6d
--- /dev/null
+++ b/libs/tuple
@@ -0,0 +1 @@
+Subproject commit adeeed1f6d54a2660303ff9b58a22254d8464cf9