diff --git a/.gitmodules b/.gitmodules
index fc04fae..f9944c4 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7404,3 +7404,6 @@
 	url = ../../pool/python-pycryptodome
 [submodule "rubygem-agama"]
 	url = ../../pool-internal/rubygem-agama
+	path = rubygem-agama
+[submodule "fde-tools"]
+	url = ../../pool-internal/fde-tools
diff --git a/rubygem-agama b/rubygem-agama
new file mode 160000
index 0000000..9d72244
--- /dev/null
+++ b/rubygem-agama
@@ -0,0 +1 @@
+Subproject commit 9d722443ada97558eb573a7b12deff521283f457