diff --git a/.gitmodules b/.gitmodules
index 8b2e4efe16..37eff95162 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -753,6 +753,11 @@
 	url = ../static_string.git
 	fetchRecurseSubmodules = on-demand
 	branch = .
+[submodule "stl_interfaces"]
+	path = libs/stl_interfaces
+	url = ../stl_interfaces.git
+	fetchRecurseSubmodules = on-demand
+	branch = .
 [submodule "more"]
 	path = more
 	url = ../more.git
diff --git a/libs/stl_interfaces b/libs/stl_interfaces
new file mode 160000
index 0000000000..887ca9c775
--- /dev/null
+++ b/libs/stl_interfaces
@@ -0,0 +1 @@
+Subproject commit 887ca9c775ed5657aff19457df9b8de2ee400558