diff --git a/.gitmodules b/.gitmodules
index 104c5b65be..01a8c1b141 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -550,3 +550,7 @@
 	path = tools/check_build
 	url = ../check_build.git
 	fetchRecurseSubmodules = on-demand
+[submodule "container_hash"]
+	path = libs/container_hash
+	url = ../container_hash.git
+	fetchRecurseSubmodules = on-demand
diff --git a/libs/container_hash b/libs/container_hash
new file mode 160000
index 0000000000..8d784ed76d
--- /dev/null
+++ b/libs/container_hash
@@ -0,0 +1 @@
+Subproject commit 8d784ed76def7e4cbdc04cc320418b36c21e0b68
diff --git a/libs/functional b/libs/functional
index ac30c5d1b2..3f2ef9b726 160000
--- a/libs/functional
+++ b/libs/functional
@@ -1 +1 @@
-Subproject commit ac30c5d1b2a1c5f491c536e21e8b068e4c941203
+Subproject commit 3f2ef9b7263978995d799b1dfb20309fe5c9d90f