diff --git a/.gitmodules b/.gitmodules
index a70361e..b9b6e83 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -25,6 +25,9 @@
 [submodule "f"]
 	path = borg/f
 	url = https://github.com/rejeep/f.el
+[submodule "free-keys"]
+	path = borg/free-keys
+	url = https://github.com/Fuco1/free-keys
 [submodule "hydra"]
 	path = borg/hydra
 	url = https://github.com/abo-abo/hydra
diff --git a/borg/free-keys b/borg/free-keys
new file mode 160000
index 0000000..7348ce6
--- /dev/null
+++ b/borg/free-keys
@@ -0,0 +1 @@
+Subproject commit 7348ce68192871b8a69b687ec124d9f816d493ca