diff --git a/.gitmodules b/.gitmodules
index ce8563e644..fe3c0222dd 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -559,3 +559,7 @@
 	path = tools/check_build
 	url = ../check_build.git
 	fetchRecurseSubmodules = on-demand
+[submodule "container_hash"]
+	path = libs/container_hash
+	url = ../container_hash
+	fetchRecurseSubmodules = on-demand
diff --git a/libs/container_hash b/libs/container_hash
new file mode 160000
index 0000000000..376000169c
--- /dev/null
+++ b/libs/container_hash
@@ -0,0 +1 @@
+Subproject commit 376000169c3c9c6bc3be4f119afab546b834d7bd
diff --git a/libs/functional b/libs/functional
index 173aa87c21..16a4ab6de6 160000
--- a/libs/functional
+++ b/libs/functional
@@ -1 +1 @@
-Subproject commit 173aa87c214acd624d65e4ac8044658725b29a48
+Subproject commit 16a4ab6de637ba4bd6b8a592a5d13623341d015c